CaratHunter
Plans
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 $2,636 NZD
£1,168 GBP
As of November 2, 2026
Save $13,892 NZD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,529 NZD 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 $2,636 to $16,529, a $13,892 spread on the same certified stone. Brilliant Earth lists it at $16,529. 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

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

Price History

Last verified: Nov 2
Current: $16,529 NZD|Low: $2,636 NZD|High: $17,631 NZD|Avg: $7,393 NZD|-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$2,636 NZD
Retailer 9$3,261 NZD
Retailer 3$3,492 NZD
Retailer 8$3,983 NZD
Retailer 6$4,170 NZD
Retailer 7$4,660 NZD
Retailer 12$4,953 NZD
Retailer 10$7,124 NZD
Retailer 11$7,962 NZD
Retailer 5$11,334 NZD
Retailer 4$12,253 NZD
Brilliant Earth$16,529 NZD

30 data points across 12 retailers

12 retailers$2,636 NZD to $16,529 NZD

A
Cheapest Retailer
-
$2,636 NZD
£1,168 GBP
A
Retailer 2
-
$3,261 NZD
$1,835 USD
View
Retailer 3
-
$3,492 NZD
$1,965 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$3,983 NZD
$2,241 USD
View
A
Retailer 5
-
$4,170 NZD
£1,847 GBP
View
B+
Retailer 6
-
$4,660 NZD
$2,622 USD
View
A
Retailer 7
-
$4,953 NZD
€2,654 EUR
View
A
Retailer 8
-
$7,124 NZD
£3,156 GBP
View
B+
Retailer 9
-
$7,962 NZD
$4,480 USD
View
B+
Retailer 10
-
$11,334 NZD
$6,377 USD
View
Retailer 11
-
$12,253 NZD
$6,894 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
9464403A · Nov 2
$16,529 NZD
$9,300 USD
View
11 more retailers have this diamond
Prices start from $2,636 NZDSave up to $13,892 NZD

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
$2,636 NZD