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Cushion|Lab Grown|IGI

11.57ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG615348253

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615348253

Diamond specifications and retailer prices

From $2,759 SGD
£1,699 GBP
As of November 2, 2026
Save $25,287 SGD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $28,046 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.57ct lab-grown cushion diamond

This 11.57ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615348253 or 615348253. Listed at 22 retailers as of November 2, 2026, with prices from $2,759 to $28,046, a $25,287 spread on the same certified stone. Brilliant Earth lists it at $28,046. 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

11.57
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348253
Dimensions12.76 × 12.58 × 7.86 mm
L/W Ratio1.01
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
12.76 mm12.58 mm11.57 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348253
Side View
Table 62.0%Crown 34.7°Girdle: THK-VTKPavilion 32.8°Culet: NoneDepth 62.5%

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: Nov 2
Current: $28,046 SGD|Low: $2,759 SGD|High: $28,046 SGD|Avg: $7,204 SGD
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
Retailer 16
November 2, 2026
Retailer 10$2,759 SGD
Retailer 6$3,316 SGD
Retailer 7$3,435 SGD
Retailer 3$3,645 SGD
Retailer 8$4,092 SGD
Retailer 11$4,691 SGD
Retailer 2$4,852 SGD
Retailer 15$4,911 SGD
Retailer 9$5,187 SGD
Retailer 14$5,318 SGD
Retailer 12$6,364 SGD
Retailer 16$7,686 SGD
Retailer 5$9,172 SGD
Retailer 4$9,688 SGD
Retailer 13$11,275 SGD
Brilliant Earth$28,046 SGD

39 data points across 16 retailers

22 retailers$2,759 SGD to $28,046 SGD

A
Cheapest Retailer
-
$2,759 SGD
£1,699 GBP
A
Retailer 2
-
$3,316 SGD
$2,593 USD
View
Final sale: no returns
Retailer 3
-
$3,435 SGD
$2,686 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$3,645 SGD
$2,850 USD
View
A
Retailer 5
-
$4,092 SGD
$3,200 USD
View
A
Retailer 6
-
$4,691 SGD
£2,888 GBP
View
A
Retailer 7
-
$4,852 SGD
$3,794 USD
View
A
Retailer 8
-
$4,911 SGD
$3,840 USD
View
A
Retailer 9
-
$5,187 SGD
€3,863 EUR
View
A
Retailer 10
-
$5,318 SGD
ZAR 67,176 ZAR
View
B+
Retailer 11
-
$6,364 SGD
A$7,656 AUD
View
B+
Retailer 12
-
$6,510 SGD
£4,008 GBP
View
Retailer 13
-
$7,686 SGD
$6,010 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$8,529 SGD
$6,669 USD
View
B+
Retailer 15
-
$9,172 SGD
$7,172 USD
View
B+
Retailer 16
-
$9,688 SGD
$7,575 USD
View
B
Retailer 17
-
$11,138 SGD
$8,709 USD
View
B
Retailer 18
-
$11,275 SGD
A$13,563 AUD
View
B
Retailer 19
-
$11,998 SGD
$9,381 USD
View
B
Retailer 20
-
$12,596 SGD
$9,849 USD
View
Retailer 21
-
$28,046 SGD
$21,930 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
16073821A · Nov 2
$28,046 SGD
$21,930 USD
View
21 more retailers have this diamond
Prices start from $2,759 SGDSave up to $25,287 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
11.57ct Cushion
$2,759 SGD