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Cushion|Lab Grown|IGI

1.52ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG621426594

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG621426594

Diamond specifications and retailer prices

From HK$3,409 HKD
As of November 6, 2026
9 retailers carry this diamond
Most expensive: HK$15,518 HKD at Brilliant Earth · As of October 21, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621426594 or 621426594. Listed at 9 retailers as of November 6, 2026. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621426594
Dimensions7.34 × 6.00 × 4.10 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.34 mm6.00 mm1.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621426594
Side View
Table 64.0%Crown 36.7°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$15,518 HKD|Low: HK$2,751 HKD|High: HK$15,988 HKD|Avg: HK$7,141 HKD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 21, 2026
Retailer 10HK$2,751 HKD
Retailer 8HK$3,057 HKD
Retailer 4HK$3,409 HKD
Retailer 11HK$4,217 HKD
Retailer 6HK$4,232 HKD
Retailer 7HK$4,977 HKD
Retailer 9HK$5,086 HKD
Retailer 2HK$5,384 HKD
Retailer 12HK$10,189 HKD
Retailer 3HK$12,226 HKD
Retailer 5HK$12,320 HKD
Brilliant EarthHK$15,518 HKD

28 data points across 12 retailers

9 retailers

Retailer 1
-
HK$3,057 HKD
Price last confirmed 21 days ago
A
Retailer 2
-
HK$3,409 HKD
View
Retailer 3
-
HK$4,232 HKD
View
Price last confirmed 15 days ago
Retailer 4
-
HK$4,977 HKD
View
Price last confirmed 16 days ago
Retailer 5
-
HK$5,384 HKD
View
Price last confirmed 16 days ago
Retailer 6
-
HK$10,189 HKD
View
Price last confirmed 16 days ago
Retailer 7
-
HK$12,226 HKD
View
Price last confirmed 16 days ago
Retailer 8
-
HK$12,320 HKD
View
Price last confirmed 19 days ago
Most Expensive
Brilliant Earth
11357873A · Oct 21
HK$15,518 HKD
$1,980 USD
View
Price last confirmed 16 days ago
8 more retailers have this diamond
Prices start from HK$3,409 HKD

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
HK$3,409 HKD