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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 HK$1,695 HKD
$216 USD
As of November 1, 2026
Save HK$7,485 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,180 HKD 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 HK$1,695 to HK$9,180, a HK$7,485 spread on the same certified stone. Brilliant Earth lists it at HK$9,180. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$9,180 HKD|Low: HK$1,695 HKD|High: HK$9,886 HKD|Avg: HK$4,715 HKD|-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 10HK$1,695 HKD
Retailer 8HK$1,899 HKD
Retailer 6HK$3,288 HKD
Retailer 2HK$3,399 HKD
Retailer 3HK$3,452 HKD
Retailer 4HK$3,648 HKD
Retailer 5HK$3,907 HKD
Retailer 9HK$6,669 HKD
Retailer 7HK$8,908 HKD
Brilliant EarthHK$9,180 HKD

43 data points across 10 retailers

10 retailersHK$1,695 HKD to HK$9,180 HKD

A
Cheapest Retailer
-
HK$1,695 HKD
$216 USD
Final sale: no returns
Retailer 2
-
HK$1,899 HKD
$242 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$3,288 HKD
$419 USD
View
A
Retailer 4
-
HK$3,399 HKD
£341 GBP
View
A
Retailer 5
-
HK$3,452 HKD
€419 EUR
View
A
Retailer 6
-
HK$3,648 HKD
$465 USD
View
A
Retailer 7
-
HK$3,907 HKD
$498 USD
View
B+
Retailer 8
-
HK$6,669 HKD
$850 USD
View
B
Retailer 9
-
HK$8,908 HKD
£894 GBP
View
Most Expensive
B
Brilliant Earth
13374708A · Nov 2
HK$9,180 HKD
$1,170 USD
View
9 more retailers have this diamond
Prices start from HK$1,695 HKDSave up to HK$7,485 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$1,695 HKD