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Cushion|Lab Grown|IGI

1.59ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG620424322

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620424322

Diamond specifications and retailer prices

From HK$2,079 HKD
$265 USD
As of November 1, 2026
Save HK$7,686 HKD (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$9,765 HKD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 1.59ct lab-grown cushion diamond

This 1.59ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620424322 or 620424322. Listed at 6 retailers as of November 1, 2026, with prices from HK$2,079 to HK$9,765, a HK$7,686 spread on the same certified stone. Michael Trio lists it at HK$9,765. 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

1.59
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620424322
Dimensions6.92 × 6.80 × 4.58 mm
L/W Ratio1.02
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
6.92 mm6.80 mm1.59 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620424322
Side View
Table 60.0%Crown 34.2°Girdle: THN-STKPavilion 40.2°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: Nov 1
Current: HK$9,765 HKD|Low: HK$2,079 HKD|High: HK$9,765 HKD|Avg: HK$5,570 HKD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4HK$2,079 HKD
Retailer 5HK$3,334 HKD
Retailer 6HK$3,414 HKD
Retailer 3HK$6,316 HKD
Retailer 2HK$8,238 HKD
Michael TrioHK$9,765 HKD

4 data points across 6 retailers

6 retailersHK$2,079 HKD to HK$9,765 HKD

A
Cheapest Retailer
-
HK$2,079 HKD
$265 USD
Final sale: no returns
A
Retailer 2
-
HK$3,334 HKD
$425 USD
View
A
Retailer 3
-
HK$3,414 HKD
View
B+
Retailer 4
-
HK$6,316 HKD
$805 USD
View
B+
Retailer 5
-
HK$8,238 HKD
$1,050 USD
View
Most Expensive
B
Michael Trio
3292028890 · Nov 2
HK$9,765 HKD
SGD 1,682 SGD
View
5 more retailers have this diamond
Prices start from HK$2,079 HKDSave up to HK$7,686 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
1.59ct Cushion
HK$2,079 HKD