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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 $2,681 AUD
£1,483 GBP
As of November 1, 2026
Save $7,848 AUD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,610 AUD 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 31, 2026, with a 293% 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,610 AUD|Low: $2,070 AUD|High: $13,610 AUD|Avg: $6,557 AUD
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
November 1, 2026
Retailer 2$2,681 AUD
Retailer 15$2,900 AUD
Retailer 11$3,004 AUD
Retailer 9$3,246 AUD
Retailer 14$3,778 AUD
Retailer 10$4,249 AUD
Retailer 8$4,474 AUD
Retailer 5$5,106 AUD
Retailer 3$6,227 AUD
Retailer 13$7,355 AUD
Retailer 12$7,958 AUD
Retailer 4$8,635 AUD
Retailer 6$10,530 AUD
Retailer 7$13,247 AUD
Brilliant Earth$13,610 AUD

32 data points across 15 retailers

13 retailers$2,681 AUD to $10,530 AUD

A
Cheapest Retailer
-
$2,681 AUD
£1,483 GBP
A
Retailer 2
-
$2,900 AUD
$2,037 USD
View
Final sale: no returns
Retailer 3
-
$3,004 AUD
$2,110 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$3,246 AUD
$2,280 USD
View
A
Retailer 5
-
$3,778 AUD
$2,654 USD
View
B+
Retailer 6
-
$4,249 AUD
$2,985 USD
View
A
Retailer 7
-
$4,474 AUD
€2,993 EUR
View
A
Retailer 8
-
$6,227 AUD
£3,444 GBP
View
B+
Retailer 9
-
$7,355 AUD
$5,166 USD
View
B+
Retailer 10
-
$7,958 AUD
$5,590 USD
View
B+
Retailer 11
-
$8,635 AUD
$6,065 USD
View
B+
Retailer 12
-
$10,530 AUD
$7,396 USD
View
Most Expensive
Brilliant Earth
10792751A · Sep 28
$13,610 AUD
$9,560 USD
View
Price last confirmed 34 days ago
12 more retailers have this diamond
Prices start from $2,681 AUDSave up to $7,848 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
$2,681 AUD