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Cushion|Lab Grown|IGI

11.73ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG620435609

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620435609

Diamond specifications and retailer prices

From $2,466 SGD
£1,519 GBP
As of October 30, 2026
Save $9,424 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,889 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.73ct lab-grown cushion diamond

This 11.73ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620435609 or 620435609. Listed at 16 retailers as of October 29, 2026, with prices from $2,466 to $11,889, a $9,424 spread on the same certified stone. Brilliant Earth lists it at $11,889. 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

11.73
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620435609
Dimensions12.81 × 12.60 × 7.89 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
12.81 mm12.60 mm11.73 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620435609
Side View
Table 63.0%Crown 37.9°Girdle: STK-VTKPavilion 32°Culet: NoneDepth 62.6%

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 30
Current: $11,889 SGD|Low: $2,466 SGD|High: $12,260 SGD|Avg: $5,602 SGD|-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 7$2,466 SGD
Retailer 14$2,954 SGD
Retailer 3$3,060 SGD
Retailer 11$3,273 SGD
Retailer 4$3,761 SGD
Retailer 2$4,211 SGD
Retailer 9$4,375 SGD
Retailer 10$4,462 SGD
Retailer 8$4,647 SGD
Retailer 5$5,806 SGD
Retailer 6$7,588 SGD
Retailer 13$8,246 SGD
Retailer 12$8,705 SGD
Brilliant Earth$11,889 SGD

42 data points across 14 retailers

16 retailers$2,466 SGD to $11,889 SGD

A
Cheapest Retailer
-
$2,466 SGD
£1,519 GBP
A
Retailer 2
-
$2,954 SGD
$2,311 USD
View
Final sale: no returns
Retailer 3
-
$3,060 SGD
$2,394 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$3,273 SGD
$2,560 USD
View
A
Retailer 5
-
$3,761 SGD
$2,942 USD
View
A
Retailer 6
-
$4,211 SGD
£2,594 GBP
View
B+
Retailer 7
-
$4,375 SGD
$3,422 USD
View
A
Retailer 8
-
$4,462 SGD
$3,490 USD
View
A
Retailer 9
-
$4,647 SGD
€3,462 EUR
View
A
Retailer 10
-
$5,806 SGD
£3,576 GBP
View
B+
Retailer 11
-
$7,588 SGD
$5,935 USD
View
B+
Retailer 12
-
$8,246 SGD
$6,450 USD
View
B
Retailer 13
-
$8,705 SGD
$6,809 USD
View
B
Retailer 14
-
$10,078 SGD
$7,883 USD
View
B
Retailer 15
-
$10,706 SGD
$8,375 USD
View
Most Expensive
B
Brilliant Earth
10794619A · Oct 29
$11,889 SGD
$9,300 USD
View
15 more retailers have this diamond
Prices start from $2,466 SGDSave up to $9,424 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
11.73ct Cushion
$2,466 SGD