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Cushion|Lab Grown|IGI

10.21ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG601305247

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG601305247

Diamond specifications and retailer prices

From $1,889 USD
£1,487 GBP
As of October 30, 2026
Save $5,507 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,560 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 10.21ct lab-grown cushion diamond

This 10.21ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG601305247 or 601305247. Listed at 13 retailers as of October 30, 2026, with a 292% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.21
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601305247
Dimensions12.04 × 11.76 × 7.72 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.04 mm11.76 mm10.21 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601305247
Side View
Table 59.0%Crown 36.5°Girdle: STK-VTKPavilion 30.8°Culet: NoneDepth 65.6%

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: $9,560 USD|Low: $1,454 USD|High: $9,560 USD|Avg: $4,605 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 8$1,889 USD
Retailer 15$2,037 USD
Retailer 11$2,110 USD
Retailer 9$2,280 USD
Retailer 14$2,654 USD
Retailer 10$2,985 USD
Retailer 2$3,143 USD
Retailer 5$3,587 USD
Retailer 3$4,374 USD
Retailer 13$5,166 USD
Retailer 12$5,590 USD
Retailer 4$6,065 USD
Retailer 6$7,396 USD
Retailer 7$9,305 USD
Brilliant Earth$9,560 USD

31 data points across 15 retailers

13 retailers$1,889 USD to $7,396 USD

A
Cheapest Retailer
-
$1,889 USD
£1,487 GBP
A
Retailer 2
-
$2,037 USD
View
Final sale: no returns
Retailer 3
-
$2,110 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
$2,280 USD
View
A
Retailer 5
-
$2,654 USD
View
B+
Retailer 6
-
$2,985 USD
View
A
Retailer 7
-
$3,143 USD
€2,993 EUR
View
A
Retailer 8
-
$4,374 USD
£3,444 GBP
View
B+
Retailer 9
-
$5,166 USD
View
B+
Retailer 10
-
$5,590 USD
View
B+
Retailer 11
-
$6,065 USD
View
B+
Retailer 12
-
$7,396 USD
View
Most Expensive
Brilliant Earth
10792751A · Sep 28
$9,560 USD
View
Price last confirmed 33 days ago
12 more retailers have this diamond
Prices start from $1,889 USDSave up to $5,507 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
$1,889 USD