Featured categories
Newly listed
See allAll items
Cushion Shape Diamond Loose H SI1 Certified Real 100% Natural 6.50 MM 1.75 Carat
£2,249.09
Round Shaped Diamond 1 ct Loose G SI1 Genuine Certified Natural Real Enhanced
£1,647.76
Cushion Shape Diamond Fancy Green Color VS1 IGI Certified Enhanced 1.75 Carat
£1,785.92
Yellow Diamond Wedding Band Ring Round Eternity Treated 14K White Gold 0.20 TCW
£262.98
Cushion Shape Diamond Chameleon Fancy Green Loose 1.01 Carat GIA Certificate
£1,864.43
Cushion Shape Diamond Fancy Brown Color Loose 1.36 Carat SI1 IGI Certificate
£1,464.07
Round Shape Diamond G Color SI1 8.08 MM Certified Natural Enhanced 2.15 Carat
£6,166.35
Pear Shape Diamond Pair Fancy Brown Yellow Color Natural Real Loose VS2 1.33 TCW
£930.25
Cushion Cut Diamond Fancy Blue Color Enhanced Loose SI1 IGI Certified 1.13 Carat
£1,118.66
Loose Cushion Shape Diamond Fancy Brown Color 1.08 Carat VS1 Certified Enhanced
£930.25
Round Shape Diamond Fancy Orangy Brown Rose Cut Loose VS2 Enhanced 2.85 Carat
£3,026.26
Oval Shape Diamond Fancy Blue Loose VVS2 Certified Natural Enhanced 1.26 Carat
£1,534.72
Cushion Cut Diamond Fancy Green 1.44 Carat VS1 Certified Enhanced IGI Certified
£1,471.92
Blue Diamond Solitaire Engagement Ring Round SI1 Treated 14K White Gold 1.63 ct
£1,707.42
Diamond Engagement Ring Cushion Cut 1.58ct Natural Fancy Yellow 14k White Gold
£1,511.17
Horse Head Shape Diamond Fancy Blue VS2 Certified Natural Enhanced 0.95 Carat
£902.78
Cushion Shape Diamond Fancy Yellow Loose IGI Certified Enhanced 1.41 Carat SI1
£1,464.07
Round Shape Diamond Fancy Green Color Loose 1.15 Carat I1 Enhanced Certified
£922.40
Fancy Yellow Diamond Loose Cushion Cut VS2 Natural Enhanced Polished 2.70 Carat
£3,340.27
Cushion Cut Diamond Matching Pair Yellow Loose IGI Enhanced VVS2/VS1 1.09 TCW
£981.28
Pear Shape Diamond Loose Fancy Blue Color Natural Enhanced 1.04 Carat VS2
£1,087.26
Princess Cut Diamond Fancy Turquoise Color Real 1 Carat Certified Enhanced Loose
£945.95
Heart Cut Diamond 100% Natural Loose H SI2 HRD Certified Polished 1.01 Carat
£1,307.06
GIA Diamond Round Shape Fancy Dark Brown Certified Loose VS2 Natural 1.10 Carat
£1,628.92
Round Shape Diamond Loose 1.00 Carat F/SI2 Natural Enhanced Polished Certified
£1,165.76
Loose Princess Diamond Fancy Blueish Green Certified Enhanced 0.90 Carat VVS2
£1,008.75
Cushion Shaped Diamond Loose 1.01 Carat H SI2 100% Natural White HRD Certified
£1,205.01
Oval Cut Diamond Fancy Yellow Color Loose Enhanced 1.20 Carat SI2 IGI Certified
£1,079.40
Radiant Diamond Fancy Green Color SI1 Enhanced Loose 1.03 Carat IGI Certified
£1,008.75
Fancy Blue Diamond Loose Cushion Cut Certified Enhanced Polished 1.18 Carat VVS2
£1,385.56
Round Shape Diamond Fancy Green Color Loose 2.00 Carat VS1 Enhanced Polished
£2,578.80
Round Shape Diamond Stud Earrings Real 1.17 Carat H/I VS2/SI1 14K White Gold
£1,687.80
Black Diamond Hidden Halo Engagement Ring Heart 14K Rose Gold Treated 2.22 TCW
£1,848.73
Cushion Cut Diamond Natural Fancy Brownish Yellow SI1 GIA Certified 1.51 Carat
£2,633.75
Loose Pear Shaped Diamond 0.92 Carat D/VS2 Real Natural Enhanced White Certified
£1,464.07
Loose Cushion Shape Diamond Fancy Green Color 1 Carat VS1 Enhanced Certified
£902.78
Radiant Shape Diamond Loose Fancy Blue Color VS2 Enhanced Polished 1.51 Carat
£1,942.93
Round Cut Diamond Natural Fancy Champagne Color Loose SI1 Certified 2.02 Carat
£1,950.78
Cushion Shape Diamond Fancy Green Color VS2 Loose Certified Enhanced 1.23 Carat
£1,314.91
Cushion Diamond Fancy Blue Color Enhanced Natural Certified Loose VS1 1.02 Carat
£1,071.55
Cushion Cut Diamond Fancy Brown Loose 1.10 Carat VS1 Certified Natural Enhanced
£993.05
Round Shape Diamond Fancy Blue Color Enhanced Loose 1.39 Carat I1 IGI Certified
£914.55
Diamond Round Cut 1.00 Carat Natural Fancy Champagne Color Loose Enhanced VS2
£1,165.76
Princess Shape Diamond Fancy Yellow 1.00 Carat SI2 Loose Treated IGI Certified
£1,126.51
Heart Cut Diamond Fancy Yellow Color SI2 Certified Natural Enhanced 1.22 Carat
£863.52
Diamond Solitaire Ring Pear Shape Fancy Brown Color 14K Yellow Gold 1 Carat GIA
£1,864.43
Radiant Cut Diamond 1.05 Carat White F/SI2 Polished Natural Enhanced Certified
£1,008.75
Asscher Shape Diamond Fancy Blue Color Loose Certified Enhanced 1.08 Carat VVS2
£1,071.55
About us
We at Smart Diamond Source believe in helping our customers make the smart choice.
* A leading source in the diamond industry, Smart Diamond Source has continuously maintained a reputation for the highest standards of service and customer satisfaction.
* Being on the sourcing and manufacturing side of the trade enables us to offer you first choice of the best selection of quality diamonds at the most competitive prices.
* We carry a large selection of diamonds in all shapes, sizes, clarities and colors, including a stunning collection of fancy colored diamonds.
* Our team of gemologists and jewelry experts which are located here in the USA, will work together with you to find exactly what you've got in mind.
* All our stones are certified by reputable laboratories.
* Ethics is the non-negotiable foundation for our business. When purchasing from Smart Diamond Source you can be confident that your diamond has been ethically and naturally mined, cut and polished.
* A leading source in the diamond industry, Smart Diamond Source has continuously maintained a reputation for the highest standards of service and customer satisfaction.
* Being on the sourcing and manufacturing side of the trade enables us to offer you first choice of the best selection of quality diamonds at the most competitive prices.
* We carry a large selection of diamonds in all shapes, sizes, clarities and colors, including a stunning collection of fancy colored diamonds.
* Our team of gemologists and jewelry experts which are located here in the USA, will work together with you to find exactly what you've got in mind.
* All our stones are certified by reputable laboratories.
* Ethics is the non-negotiable foundation for our business. When purchasing from Smart Diamond Source you can be confident that your diamond has been ethically and naturally mined, cut and polished.
Seller Feedback (1,206)
s***e (64)- Feedback left by buyer.
Past 6 months
Verified purchase
I've been drooling over this diamond, and it is even more beautiful than the pics depict. My wedding ring is absolutely gorgeous with this amazing stone. The price was more than reasonable, and shipping was super fast. Wonderful seller! Thank you!! 😊
d***v (33)- Feedback left by buyer.
Past month
Verified purchase
Wow... It's so pretty!!!
Shipped & arrived quickly, everything as described.
o***n (749)- Feedback left by buyer.
Past year
Verified purchase
As described. Seller was extremely professional and the diamond arrived quickly. I would highly recommend this seller.
9***_- Feedback left by buyer.
Past 6 months
Verified purchase
Fast shipping great prices
e***g (68)- Feedback left by buyer.
Past year
Verified purchase
Very fast delivery with a secured signature is required. Item is very nice and very affordable that made my dream comes true when fulfilling my wish towards my wife. thank you very much for such an affordable good that makes everyone happy. much appreciated.
_***6 (35)- Feedback left by buyer.
Past year
Verified purchase
Great piece! Great price and excellent packaging!! Not to mention that I received my order within 3 days!!!