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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 $2,639 CAD
£1,487 GBP
As of October 30, 2026
Save $7,693 CAD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,354 CAD 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

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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: $13,354 CAD|Low: $2,031 CAD|High: $13,354 CAD|Avg: $6,436 CAD
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 30, 2026
Retailer 2$2,639 CAD
Retailer 15$2,845 CAD
Retailer 11$2,947 CAD
Retailer 9$3,185 CAD
Retailer 14$3,707 CAD
Retailer 10$4,170 CAD
Retailer 8$4,421 CAD
Retailer 5$5,011 CAD
Retailer 3$6,110 CAD
Retailer 13$7,217 CAD
Retailer 12$7,809 CAD
Retailer 4$8,473 CAD
Retailer 6$10,332 CAD
Retailer 7$12,998 CAD
Brilliant Earth$13,354 CAD

30 data points across 15 retailers

13 retailers$2,639 CAD to $10,332 CAD

A
Cheapest Retailer
-
$2,639 CAD
£1,487 GBP
A
Retailer 2
-
$2,845 CAD
$2,037 USD
View
Final sale: no returns
Retailer 3
-
$2,947 CAD
$2,110 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$3,185 CAD
$2,280 USD
View
A
Retailer 5
-
$3,707 CAD
$2,654 USD
View
B+
Retailer 6
-
$4,170 CAD
$2,985 USD
View
A
Retailer 7
-
$4,421 CAD
€3,014 EUR
View
A
Retailer 8
-
$6,110 CAD
£3,444 GBP
View
B+
Retailer 9
-
$7,217 CAD
$5,166 USD
View
B+
Retailer 10
-
$7,809 CAD
$5,590 USD
View
B+
Retailer 11
-
$8,473 CAD
$6,065 USD
View
B+
Retailer 12
-
$10,332 CAD
$7,396 USD
View
Most Expensive
Brilliant Earth
10792751A · Sep 28
$13,354 CAD
$9,560 USD
View
Price last confirmed 32 days ago
12 more retailers have this diamond
Prices start from $2,639 CADSave up to $7,693 CAD

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
$2,639 CAD