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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG539217479

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539217479

Diamond specifications and retailer prices

From HK$1,810 HKD
As of November 6, 2026
Save HK$13,708 HKD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$15,518 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539217479 or 539217479. Listed at 7 retailers as of November 2, 2026, with prices from HK$1,810 to HK$15,518, a HK$13,708 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,518. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539217479
Dimensions6.90 × 6.50 × 4.24 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.90 mm6.50 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539217479
Side View
Table 58.0%Crown 32.8°Girdle: MED-VTKPavilion 37.7°Culet: NoneDepth 65.2%

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$15,518 HKD|Low: HK$1,113 HKD|High: HK$15,518 HKD|Avg: HK$6,589 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7HK$1,810 HKD
Retailer 6HK$3,464 HKD
Retailer 10HK$3,574 HKD
Retailer 9HK$3,660 HKD
Retailer 11HK$4,303 HKD
Retailer 2HK$4,938 HKD
Retailer 3HK$5,275 HKD
Retailer 4HK$7,140 HKD
Retailer 5HK$8,895 HKD
Retailer 8HK$9,640 HKD
Do Amore DiamondsHK$15,518 HKD

12 data points across 11 retailers

7 retailersHK$1,810 HKD to HK$15,518 HKD

A
Cheapest Retailer
-
HK$1,810 HKD
Final sale: no returns
B+
Retailer 2
-
HK$3,464 HKD
View
B+
Retailer 3
-
HK$4,938 HKD
View
B+
Retailer 4
-
HK$7,140 HKD
View
Retailer 5
-
HK$8,895 HKD
View
Price last confirmed 9 days ago
B
Retailer 6
-
HK$9,640 HKD
View
Most Expensive
B
Do Amore Diamonds
27-C9766A81E · Nov 2
HK$15,518 HKD
$1,980 USD
View
6 more retailers have this diamond
Prices start from HK$1,810 HKDSave up to HK$13,708 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
1.50ct Cushion
HK$1,810 HKD