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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840629762

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629762

Diamond specifications and retailer prices

From HK$4,048 HKD
$516 USD
As of November 1, 2026
Save HK$22,862 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$26,911 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.38ct lab-grown cushion diamond

This 1.38ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840629762 or 840629762. Listed at 14 retailers as of October 31, 2026, with prices from HK$4,048 to HK$26,911, a HK$22,862 spread on the same certified stone. Brilliant Earth lists it at HK$26,911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629762
Dimensions8.02 × 5.51 × 3.86 mm
L/W Ratio1.46
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
8.02 mm5.51 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629762
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 70.1%

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$26,911 HKD|Low: HK$4,048 HKD|High: HK$26,911 HKD|Avg: HK$10,631 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14HK$4,048 HKD
Retailer 9HK$4,454 HKD
Retailer 11HK$6,551 HKD
Retailer 5HK$6,794 HKD
Retailer 7HK$7,092 HKD
Retailer 10HK$7,208 HKD
Retailer 2HK$7,460 HKD
Retailer 13HK$8,136 HKD
Retailer 6HK$14,162 HKD
Retailer 4HK$15,008 HKD
Retailer 12HK$15,972 HKD
Retailer 8HK$16,044 HKD
Retailer 3HK$20,446 HKD
Brilliant EarthHK$26,911 HKD

8 data points across 14 retailers

14 retailersHK$4,048 HKD to HK$26,911 HKD

A
Cheapest Retailer
-
HK$4,048 HKD
$516 USD
Final sale: no returns
A
Retailer 2
-
HK$4,454 HKD
£447 GBP
View
A
Retailer 3
-
HK$6,551 HKD
$835 USD
View
A
Retailer 4
-
HK$6,794 HKD
$866 USD
View
A
Retailer 5
-
HK$7,092 HKD
£712 GBP
View
A
Retailer 6
-
HK$7,208 HKD
€875 EUR
View
A
Retailer 7
-
HK$7,460 HKD
ZAR 15,361 ZAR
View
A
Retailer 8
-
HK$8,136 HKD
$1,037 USD
View
B+
Retailer 9
-
HK$14,162 HKD
$1,805 USD
View
B+
Retailer 10
-
HK$15,008 HKD
SGD 2,585 SGD
View
B
Retailer 11
-
HK$15,972 HKD
£1,603 GBP
View
B
Retailer 12
-
HK$16,044 HKD
$2,045 USD
View
B
Retailer 13
-
HK$20,446 HKD
$2,606 USD
View
Most Expensive
B
Brilliant Earth
22310847A · Oct 31
HK$26,911 HKD
$3,430 USD
View
13 more retailers have this diamond
Prices start from HK$4,048 HKDSave up to HK$22,862 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
1.38ct Cushion
HK$4,048 HKD