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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG815642059

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

Certificate IGI LG815642059

Diamond specifications and retailer prices

From HK$1,654 HKD
As of November 6, 2026
Save HK$12,532 HKD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$14,186 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG815642059 or 815642059. Listed at 9 retailers as of November 6, 2026, with prices from HK$1,654 to HK$14,186, a HK$12,532 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,186. 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

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815642059
Dimensions6.46 × 6.42 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.42 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815642059
Side View
Table 63.0%Crown 34.1°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 66.2%

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 6
Current: HK$14,186 HKD|Low: HK$1,481 HKD|High: HK$14,186 HKD|Avg: HK$5,896 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7HK$1,654 HKD
Retailer 8HK$2,202 HKD
Retailer 5HK$2,516 HKD
Retailer 2HK$3,347 HKD
Retailer 4HK$5,298 HKD
Retailer 9HK$6,497 HKD
Retailer 6HK$7,759 HKD
Retailer 3HK$8,080 HKD
Do Amore DiamondsHK$14,186 HKD

24 data points across 9 retailers

9 retailersHK$1,654 HKD to HK$14,186 HKD

A
Cheapest Retailer
-
HK$1,654 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,202 HKD
View
B+
Retailer 3
-
HK$2,516 HKD
View
A
Retailer 4
-
HK$3,347 HKD
View
B+
Retailer 5
-
HK$5,298 HKD
View
B+
Retailer 6
-
HK$6,497 HKD
View
Retailer 7
-
HK$7,759 HKD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
HK$8,080 HKD
View
Most Expensive
B
Do Amore Diamonds
27-CAF680037 · Nov 6
HK$14,186 HKD
$1,810 USD
View
8 more retailers have this diamond
Prices start from HK$1,654 HKDSave up to HK$12,532 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
1.53ct Cushion
HK$1,654 HKD