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Cushion|Lab Grown|IGI

1.52ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG681503677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681503677

Diamond specifications and retailer prices

From $276 SGD
$216 USD
As of November 1, 2026
Save $1,220 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,496 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681503677 or 681503677. Listed at 10 retailers as of November 1, 2026, with prices from $276 to $1,496, a $1,220 spread on the same certified stone. Brilliant Earth lists it at $1,496. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681503677
Dimensions7.63 × 6.21 × 3.96 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm6.21 mm1.52 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681503677
Side View
Table 63.0%Crown 34.9°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.8%

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: Nov 1
Current: $1,496 SGD|Low: $276 SGD|High: $1,611 SGD|Avg: $769 SGD|-7.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$276 SGD
Retailer 8$309 SGD
Retailer 7$536 SGD
Retailer 3$554 SGD
Retailer 4$563 SGD
Retailer 5$595 SGD
Retailer 6$637 SGD
Retailer 9$1,087 SGD
Retailer 2$1,433 SGD
Brilliant Earth$1,496 SGD

42 data points across 10 retailers

10 retailers$276 SGD to $1,496 SGD

A
Cheapest Retailer
-
$276 SGD
$216 USD
Final sale: no returns
Retailer 2
-
$309 SGD
$242 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$536 SGD
$419 USD
View
A
Retailer 4
-
$554 SGD
£341 GBP
View
A
Retailer 5
-
$563 SGD
€419 EUR
View
A
Retailer 6
-
$595 SGD
$465 USD
View
A
Retailer 7
-
$637 SGD
$498 USD
View
B+
Retailer 8
-
$1,087 SGD
$850 USD
View
B
Retailer 9
-
$1,433 SGD
£882 GBP
View
Most Expensive
B
Brilliant Earth
13374708A · Nov 2
$1,496 SGD
$1,170 USD
View
9 more retailers have this diamond
Prices start from $276 SGDSave up to $1,220 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
1.52ct Cushion
$276 SGD