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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800676790

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

Certificate IGI LG800676790

Diamond specifications and retailer prices

From HK$4,888 HKD
$623 USD
As of November 1, 2026
Save HK$21,709 HKD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$26,597 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG800676790 or 800676790. Listed at 9 retailers as of November 1, 2026, with prices from HK$4,888 to HK$26,597, a HK$21,709 spread on the same certified stone. Do Amore Diamonds lists it at HK$26,597. 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 angle35.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676790
Dimensions6.64 × 6.45 × 4.19 mm
L/W Ratio1.03
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
6.64 mm6.45 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676790
Side View
Table 63.0%Crown 35.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 65.0%

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$26,597 HKD|Low: HK$3,687 HKD|High: HK$28,637 HKD|Avg: HK$11,365 HKD|-7.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10HK$3,687 HKD
Retailer 6HK$4,888 HKD
Retailer 4HK$5,492 HKD
Retailer 7HK$5,924 HKD
Retailer 9HK$6,347 HKD
Retailer 3HK$6,870 HKD
Retailer 2HK$15,076 HKD
Retailer 8HK$15,888 HKD
Retailer 5HK$18,516 HKD
Do Amore DiamondsHK$26,597 HKD

25 data points across 10 retailers

9 retailersHK$4,888 HKD to HK$26,597 HKD

A
Cheapest Retailer
-
HK$4,888 HKD
$623 USD
A
Retailer 2
-
HK$5,492 HKD
$700 USD
View
A
Retailer 3
-
HK$5,924 HKD
$755 USD
View
A
Retailer 4
-
HK$6,347 HKD
$809 USD
View
A
Retailer 5
-
HK$6,870 HKD
€834 EUR
View
B+
Retailer 6
-
HK$15,076 HKD
£1,513 GBP
View
B+
Retailer 7
-
HK$15,888 HKD
$2,025 USD
View
B+
Retailer 8
-
HK$18,516 HKD
$2,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-0D18732B5 · Nov 1
HK$26,597 HKD
$3,390 USD
View
8 more retailers have this diamond
Prices start from HK$4,888 HKDSave up to HK$21,709 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$4,888 HKD