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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 $4,694 SGD
$3,672 USD
As of October 31, 2026
Save $12,692 SGD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,386 SGD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $4,694 to $17,386, a $12,692 spread on the same certified stone. Brilliant Earth lists it at $17,386. 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
Colour
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

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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: Oct 31
Current: $17,386 SGD|Low: $4,694 SGD|High: $22,692 SGD|Avg: $8,708 SGD|-23.4%
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
November 1, 2026
Retailer 3$4,694 SGD
Retailer 12$4,863 SGD
Retailer 13$5,312 SGD
Retailer 10$6,132 SGD
Retailer 9$6,136 SGD
Retailer 4$7,423 SGD
Retailer 7$7,526 SGD
Retailer 11$7,548 SGD
Retailer 6$7,759 SGD
Retailer 2$9,051 SGD
Retailer 8$10,248 SGD
Retailer 5$13,490 SGD
Brilliant Earth$17,386 SGD

34 data points across 13 retailers

14 retailers$4,694 SGD to $17,386 SGD

A
Cheapest Retailer
-
$4,694 SGD
$3,672 USD
Final sale: no returns
Retailer 2
-
$4,863 SGD
$3,804 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$5,312 SGD
$4,155 USD
View
A
Retailer 4
-
$6,132 SGD
$4,797 USD
View
A
Retailer 5
-
$6,136 SGD
$4,800 USD
View
A
Retailer 6
-
$7,423 SGD
£4,572 GBP
View
A
Retailer 7
-
$7,526 SGD
ZAR 95,106 ZAR
View
A
Retailer 8
-
$7,548 SGD
$5,904 USD
View
A
Retailer 9
-
$7,759 SGD
€5,780 EUR
View
B+
Retailer 10
-
$9,051 SGD
A$10,892 AUD
View
B+
Retailer 11
-
$10,248 SGD
$8,016 USD
View
B
Retailer 12
-
$13,490 SGD
$10,552 USD
View
B
Retailer 13
-
$17,030 SGD
$13,321 USD
View
Most Expensive
B
Brilliant Earth
20602204A · Oct 31
$17,386 SGD
$13,600 USD
View
13 more retailers have this diamond
Prices start from $4,694 SGDSave up to $12,692 SGD

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
$4,694 SGD