CaratHunter
Plans
Cushion|Lab Grown|IGI

1.37ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG523282964

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG523282964

Diamond specifications and retailer prices

From HK$1,381 HKD
$176 USD
As of October 30, 2026
Save HK$10,466 HKD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$11,847 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown cushion diamond

This 1.37ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523282964 or 523282964. Listed at 12 retailers as of October 30, 2026, with prices from HK$1,381 to HK$11,847, a HK$10,466 spread on the same certified stone. Do Amore Diamonds lists it at HK$11,847. 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

1.37
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523282964
Dimensions6.59 × 6.38 × 4.30 mm
L/W Ratio1.03
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
6.59 mm6.38 mm1.37 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523282964
Side View
Table 60.5%Crown 33.2°Girdle: STK-THKPavilion 40°Culet: NoneDepth 67.4%

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: Oct 30
Current: HK$2,801 HKD|Low: HK$1,381 HKD|High: HK$12,475 HKD|Avg: HK$4,667 HKD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7HK$1,381 HKD
Retailer 9HK$2,063 HKD
Retailer 1HK$2,801 HKD
Retailer 2HK$3,022 HKD
Retailer 8HK$4,135 HKD
Retailer 6HK$6,521 HKD
Retailer 3HK$6,669 HKD
Retailer 5HK$6,669 HKD
Retailer 4HK$7,941 HKD

42 data points across 9 retailers

12 retailersHK$1,381 HKD to HK$11,847 HKD

A
Cheapest Retailer
-
HK$1,381 HKD
$176 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,063 HKD
$263 USD
View
A
Retailer 3
-
HK$2,801 HKD
€340 EUR
View
A
Retailer 4
-
HK$3,022 HKD
£303 GBP
View
A
Retailer 5
-
HK$3,405 HKD
$434 USD
View
B+
Retailer 6
-
HK$4,135 HKD
$527 USD
View
B+
Retailer 7
-
HK$5,960 HKD
$760 USD
View
B+
Retailer 8
-
HK$6,521 HKD
$831 USD
View
B+
Retailer 9
-
HK$6,669 HKD
$850 USD
View
Retailer 10
-
HK$6,669 HKD
$850 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
HK$7,941 HKD
£797 GBP
View
Most Expensive
B
Do Amore Diamonds
27-735A00FF9 · Oct 31
HK$11,847 HKD
$1,510 USD
View
11 more retailers have this diamond
Prices start from HK$1,381 HKDSave up to HK$10,466 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
1.37ct Cushion
HK$1,381 HKD