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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 $2,117 AUD
£1,168 GBP
As of November 2, 2026
Save $11,154 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,270 AUD at Brilliant Earth · As of November 2, 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 12 retailers as of November 2, 2026, with prices from $2,117 to $13,270, a $11,154 spread on the same certified stone. Brilliant Earth lists it at $13,270. 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
Colour
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 2
Current: $13,270 AUD|Low: $2,117 AUD|High: $14,155 AUD|Avg: $5,936 AUD|-4.3%
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 2, 2026
Retailer 2$2,117 AUD
Retailer 9$2,618 AUD
Retailer 3$2,804 AUD
Retailer 8$3,198 AUD
Retailer 6$3,348 AUD
Retailer 7$3,741 AUD
Retailer 12$3,976 AUD
Retailer 10$5,719 AUD
Retailer 11$6,393 AUD
Retailer 5$9,099 AUD
Retailer 4$9,837 AUD
Brilliant Earth$13,270 AUD

30 data points across 12 retailers

12 retailers$2,117 AUD to $13,270 AUD

A
Cheapest Retailer
-
$2,117 AUD
£1,168 GBP
A
Retailer 2
-
$2,618 AUD
$1,835 USD
View
Retailer 3
-
$2,804 AUD
$1,965 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$3,198 AUD
$2,241 USD
View
A
Retailer 5
-
$3,348 AUD
£1,847 GBP
View
B+
Retailer 6
-
$3,741 AUD
$2,622 USD
View
A
Retailer 7
-
$3,976 AUD
€2,654 EUR
View
A
Retailer 8
-
$5,719 AUD
£3,156 GBP
View
B+
Retailer 9
-
$6,393 AUD
$4,480 USD
View
B+
Retailer 10
-
$9,099 AUD
$6,377 USD
View
Retailer 11
-
$9,837 AUD
$6,894 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
9464403A · Nov 2
$13,270 AUD
$9,300 USD
View
11 more retailers have this diamond
Prices start from $2,117 AUDSave up to $11,154 AUD

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
$2,117 AUD