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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG539232875

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539232875

Diamond specifications and retailer prices

From HK$1,726 HKD
$220 USD
As of October 30, 2026
Save HK$9,572 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$11,298 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct 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 LG539232875 or 539232875. Listed at 15 retailers as of October 30, 2026, with prices from HK$1,726 to HK$11,298, a HK$9,572 spread on the same certified stone. Brilliant Earth lists it at HK$11,298. 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

1.60
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539232875
Dimensions7.90 × 5.95 × 3.93 mm
L/W Ratio1.33
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
7.90 mm5.95 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539232875
Side View
Table 60.0%Crown 38.6°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$11,298 HKD|Low: HK$1,726 HKD|High: HK$11,925 HKD|Avg: HK$4,915 HKD|-5.3%
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 31, 2026
Retailer 3HK$1,726 HKD
Retailer 11HK$1,914 HKD
Retailer 7HK$2,141 HKD
Retailer 8HK$2,589 HKD
Retailer 2HK$3,139 HKD
Retailer 5HK$3,507 HKD
Retailer 4HK$3,866 HKD
Retailer 12HK$4,551 HKD
Retailer 6HK$4,621 HKD
Retailer 10HK$8,199 HKD
Retailer 9HK$8,978 HKD
Brilliant EarthHK$11,298 HKD

43 data points across 12 retailers

15 retailersHK$1,726 HKD to HK$11,298 HKD

A
Cheapest Retailer
-
HK$1,726 HKD
$220 USD
Final sale: no returns
A
Retailer 2
-
HK$1,914 HKD
$244 USD
View
A
Retailer 3
-
HK$2,141 HKD
£215 GBP
View
B+
Retailer 4
-
HK$2,589 HKD
$330 USD
View
A
Retailer 5
-
HK$3,139 HKD
€381 EUR
View
A
Retailer 6
-
HK$3,507 HKD
£352 GBP
View
A
Retailer 7
-
HK$3,866 HKD
$493 USD
View
A
Retailer 8
-
HK$4,245 HKD
$541 USD
View
B+
Retailer 9
-
HK$4,551 HKD
$580 USD
View
A
Retailer 10
-
HK$4,621 HKD
$589 USD
View
B+
Retailer 11
-
HK$6,585 HKD
$839 USD
View
Retailer 12
-
HK$8,199 HKD
$1,045 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
HK$8,978 HKD
£901 GBP
View
B
Retailer 14
-
HK$9,292 HKD
$1,184 USD
View
Most Expensive
B
Brilliant Earth
10789185A · Oct 31
HK$11,298 HKD
$1,440 USD
View
14 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$9,572 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
1.60ct Cushion
HK$1,726 HKD