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Cushion|Lab Grown|IGI

1.31ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG841632427

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

Certificate IGI LG841632427

Diamond specifications and retailer prices

From HK$5,563 HKD
As of November 2, 2026
Save HK$10,521 HKD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$16,084 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841632427 or 841632427. Listed at 7 retailers as of November 2, 2026, with prices from HK$5,563 to HK$16,084, a HK$10,521 spread on the same certified stone. Brilliant Earth lists it at HK$16,084. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841632427
Dimensions6.54 × 6.40 × 4.13 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.54 mm6.40 mm1.31 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841632427
Side View
Table 63.0%Crown 32.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 64.5%

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: Nov 2
Current: HK$16,084 HKD|Low: HK$5,563 HKD|High: HK$16,084 HKD|Avg: HK$10,223 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 7HK$5,563 HKD
Retailer 2HK$7,556 HKD
Retailer 6HK$10,788 HKD
Retailer 5HK$11,078 HKD
Retailer 3HK$13,534 HKD
Retailer 4HK$14,860 HKD
Brilliant EarthHK$16,084 HKD

8 data points across 7 retailers

7 retailersHK$5,563 HKD to HK$16,084 HKD

A
Cheapest Retailer
-
HK$5,563 HKD
A
Retailer 2
-
HK$7,556 HKD
View
Retailer 3
-
HK$10,788 HKD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
HK$11,078 HKD
View
B+
Retailer 5
-
HK$13,534 HKD
View
B
Retailer 6
-
HK$14,860 HKD
View
Most Expensive
B
Brilliant Earth
22472567Y · Nov 4
HK$16,084 HKD
$2,050 USD
View
6 more retailers have this diamond
Prices start from HK$5,563 HKDSave up to HK$10,521 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
1.31ct Cushion
HK$5,563 HKD