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Cushion|Lab Grown|IGI

10.21ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG728582015

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG728582015

Diamond specifications and retailer prices

From $5,029 USD
£3,960 GBP
As of October 30, 2026
Save $21,767 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $26,796 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.21ct lab-grown cushion diamond

This 10.21ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG728582015 or 728582015. Listed at 12 retailers as of October 30, 2026, with prices from $5,029 to $26,796, a $21,767 spread on the same certified stone. Adiamor lists it at $26,796. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

10.21
Carat
D
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle52.3°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728582015
Dimensions11.97 × 11.78 × 7.98 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm11.78 mm10.21 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728582015
Side View
Table 67.0%Crown 52.3°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,553 USD|Low: $5,012 USD|High: $14,186 USD|Avg: $7,703 USD|-10.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3$5,029 USD
Retailer 10$5,424 USD
Retailer 9$5,618 USD
Retailer 8$5,645 USD
Retailer 4$7,157 USD
Retailer 2$7,940 USD
Retailer 7$8,686 USD
Retailer 5$8,696 USD
Retailer 1$10,553 USD
Retailer 6$10,676 USD

42 data points across 10 retailers

12 retailers$5,029 USD to $26,796 USD

A
Cheapest Retailer
-
$5,029 USD
£3,960 GBP
A
Retailer 2
-
$5,424 USD
View
Final sale: no returns
Retailer 3
-
$5,618 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$5,645 USD
View
B+
Retailer 5
-
$7,157 USD
£5,636 GBP
View
B+
Retailer 6
-
$7,940 USD
£6,252 GBP
View
B+
Retailer 7
-
$8,686 USD
View
B+
Retailer 8
-
$8,696 USD
ZAR 140,489 ZAR
View
B
Retailer 9
-
$10,553 USD
View
Retailer 10
-
$10,676 USD
A$16,424 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$20,139 USD
View
Most Expensive
B
Adiamor
D-77380323 · Oct 31
$26,796 USD
View
11 more retailers have this diamond
Prices start from $5,029 USDSave up to $21,767 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
10.21ct Cushion
$5,029 USD