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Cushion|Lab Grown|IGI

10.21ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG623489859

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG623489859

Diamond specifications and retailer prices

From $1,484 USD
£1,168 GBP
As of November 1, 2026
Save $7,817 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,300 USD at Brilliant Earth · As of October 31, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623489859 or 623489859. Listed at 11 retailers as of October 31, 2026, with prices from $1,484 to $9,300, a $7,817 spread on the same certified stone. Brilliant Earth lists it at $9,300. 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
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623489859
Dimensions14.82 × 11.39 × 7.76 mm
L/W Ratio1.30
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
14.82 mm11.39 mm10.21 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623489859
Side View
Table 66.0%Crown 31.8°Girdle: MED-VTKPavilion 39.7°Culet: NoneDepth 68.1%

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: Nov 1
Current: $9,300 USD|Low: $1,484 USD|High: $9,920 USD|Avg: $4,185 USD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5$1,484 USD
Retailer 8$1,835 USD
Retailer 12$1,965 USD
Retailer 7$2,241 USD
Retailer 6$2,346 USD
Retailer 2$2,622 USD
Retailer 11$2,787 USD
Retailer 9$4,008 USD
Retailer 10$4,480 USD
Retailer 3$6,463 USD
Retailer 4$6,894 USD
Brilliant Earth$9,300 USD

30 data points across 12 retailers

11 retailers$1,484 USD to $9,300 USD

A
Cheapest Retailer
-
$1,484 USD
£1,168 GBP
A
Retailer 2
-
$1,835 USD
View
Retailer 3
-
$1,965 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$2,241 USD
View
A
Retailer 5
-
$2,346 USD
£1,847 GBP
View
B+
Retailer 6
-
$2,622 USD
View
A
Retailer 7
-
$2,787 USD
€2,654 EUR
View
A
Retailer 8
-
$4,008 USD
£3,156 GBP
View
B+
Retailer 9
-
$4,480 USD
View
Retailer 10
-
$6,894 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
9464403A · Oct 31
$9,300 USD
View
10 more retailers have this diamond
Prices start from $1,484 USDSave up to $7,817 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
$1,484 USD