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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 $384 NZD
$216 USD
As of November 1, 2026
Save $1,696 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,079 NZD 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 $384 to $2,079, a $1,696 spread on the same certified stone. Brilliant Earth lists it at $2,079. 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

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 1
Current: $2,079 NZD|Low: $384 NZD|High: $2,239 NZD|Avg: $1,068 NZD|-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$384 NZD
Retailer 8$430 NZD
Retailer 6$745 NZD
Retailer 2$770 NZD
Retailer 3$782 NZD
Retailer 4$826 NZD
Retailer 5$885 NZD
Retailer 9$1,511 NZD
Retailer 7$2,018 NZD
Brilliant Earth$2,079 NZD

43 data points across 10 retailers

10 retailers$384 NZD to $2,079 NZD

A
Cheapest Retailer
-
$384 NZD
$216 USD
Final sale: no returns
Retailer 2
-
$430 NZD
$242 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$745 NZD
$419 USD
View
A
Retailer 4
-
$770 NZD
£341 GBP
View
A
Retailer 5
-
$782 NZD
€419 EUR
View
A
Retailer 6
-
$826 NZD
$465 USD
View
A
Retailer 7
-
$885 NZD
$498 USD
View
B+
Retailer 8
-
$1,511 NZD
$850 USD
View
B
Retailer 9
-
$2,018 NZD
£894 GBP
View
Most Expensive
B
Brilliant Earth
13374708A · Nov 2
$2,079 NZD
$1,170 USD
View
9 more retailers have this diamond
Prices start from $384 NZDSave up to $1,696 NZD

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
$384 NZD