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Cushion|Lab Grown|IGI

1.61ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG528241050

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG528241050

Diamond specifications and retailer prices

From HK$1,904 HKD
As of November 7, 2026
Save HK$8,049 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$9,953 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528241050 or 528241050. Listed at 12 retailers as of November 6, 2026, with prices from HK$1,904 to HK$9,953, a HK$8,049 spread on the same certified stone. Brilliant Earth lists it at HK$9,953. 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

1.61
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528241050
Dimensions6.67 × 6.53 × 4.56 mm
L/W Ratio1.02
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
6.67 mm6.53 mm1.61 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528241050
Side View
Table 60.5%Crown 37.3°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
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: Nov 7
Current: HK$9,953 HKD|Low: HK$1,904 HKD|High: HK$13,402 HKD|Avg: HK$5,864 HKD|-25.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3HK$1,904 HKD
Retailer 6HK$3,205 HKD
Retailer 8HK$3,323 HKD
Retailer 5HK$3,441 HKD
Retailer 9HK$3,950 HKD
Retailer 2HK$4,365 HKD
Retailer 7HK$7,289 HKD
Retailer 4HK$8,848 HKD
Brilliant EarthHK$9,953 HKD

44 data points across 9 retailers

12 retailersHK$1,904 HKD to HK$9,953 HKD

A
Cheapest Retailer
-
HK$1,904 HKD
A
Retailer 2
-
HK$2,100 HKD
View
A
Retailer 3
-
HK$3,205 HKD
View
B+
Retailer 4
-
HK$3,323 HKD
View
A
Retailer 5
-
HK$3,441 HKD
View
A
Retailer 6
-
HK$3,746 HKD
View
A
Retailer 7
-
HK$3,950 HKD
View
A
Retailer 8
-
HK$4,365 HKD
View
B+
Retailer 9
-
HK$6,192 HKD
View
Retailer 10
-
HK$7,289 HKD
View
Price last confirmed 17 days ago
B
Retailer 11
-
HK$8,848 HKD
View
Most Expensive
B
Brilliant Earth
19056363A · Nov 6
HK$9,953 HKD
$1,270 USD
View
11 more retailers have this diamond
Prices start from HK$1,904 HKDSave up to HK$8,049 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
1.61ct Cushion
HK$1,904 HKD