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Cushion|Lab Grown|IGI

12.72ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG605389037

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605389037

Diamond specifications and retailer prices

From $3,672 USD
As of October 31, 2026
Save $13,538 USD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,210 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.72ct lab-grown cushion diamond

This 12.72ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605389037 or 605389037. Listed at 14 retailers as of October 29, 2026, with prices from $3,672 to $17,210, a $13,538 spread on the same certified stone. Brilliant Earth lists it at $17,210. 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

12.72
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605389037
Dimensions13.49 × 12.81 × 7.99 mm
L/W Ratio1.05
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
13.49 mm12.81 mm12.72 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605389037
Side View
Table 64.0%Crown 34°Girdle: STK-VTKPavilion 30.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 31
Current: $17,210 USD|Low: $2,622 USD|High: $17,750 USD|Avg: $7,315 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 3$3,672 USD
Retailer 13$3,804 USD
Retailer 14$4,155 USD
Retailer 11$4,797 USD
Retailer 10$4,800 USD
Retailer 4$5,806 USD
Retailer 7$5,887 USD
Retailer 12$5,904 USD
Retailer 2$6,069 USD
Retailer 9$7,092 USD
Retailer 8$8,016 USD
Retailer 5$10,552 USD
Retailer 6$13,321 USD
Brilliant Earth$17,210 USD

34 data points across 14 retailers

14 retailers$3,672 USD to $17,210 USD

A
Cheapest Retailer
-
$3,672 USD
Final sale: no returns
Retailer 2
-
$3,804 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$4,155 USD
View
A
Retailer 4
-
$4,797 USD
View
A
Retailer 5
-
$4,800 USD
View
A
Retailer 6
-
$5,806 USD
£4,572 GBP
View
A
Retailer 7
-
$5,887 USD
ZAR 95,106 ZAR
View
Retailer 8
-
$5,904 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$6,069 USD
€5,780 EUR
View
Retailer 10
-
$7,092 USD
A$10,910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$8,016 USD
View
B
Retailer 12
-
$10,552 USD
View
B
Retailer 13
-
$13,321 USD
View
Most Expensive
B
Brilliant Earth
20602204A · Oct 29
$17,210 USD
View
13 more retailers have this diamond
Prices start from $3,672 USDSave up to $13,538 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
12.72ct Cushion
$3,672 USD