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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG840629940

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629940

Diamond specifications and retailer prices

From HK$4,048 HKD
$516 USD
As of November 1, 2026
Save HK$16,398 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$20,446 HKD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg 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 very-good cut grade and certified by IGI LG840629940 or 840629940. Listed at 14 retailers as of November 1, 2026, with prices from HK$4,048 to HK$20,446, a HK$16,398 spread on the same certified stone. Helzberg Diamonds lists it at HK$20,446. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.38
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629940
Dimensions8.18 × 5.62 × 3.75 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
8.18 mm5.62 mm1.38 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629940
Side View
Table 58.0%Crown 34.7°Girdle: STK-THKPavilion 35°Culet: NoneDepth 66.7%

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$20,446 HKD|Low: HK$4,048 HKD|High: HK$22,753 HKD|Avg: HK$11,207 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 7HK$4,048 HKD
Retailer 9HK$4,454 HKD
Retailer 11HK$6,151 HKD
Retailer 10HK$6,755 HKD
Retailer 13HK$6,794 HKD
Retailer 6HK$7,092 HKD
Retailer 2HK$7,460 HKD
Retailer 3HK$8,136 HKD
Retailer 4HK$14,162 HKD
Retailer 5HK$15,008 HKD
Retailer 8HK$15,893 HKD
Retailer 12HK$20,242 HKD
Helzberg DiamondsHK$20,446 HKD

5 data points across 13 retailers

14 retailersHK$4,048 HKD to HK$20,446 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$6,151 HKD
$784 USD
View
A
Retailer 4
-
HK$6,755 HKD
€820 EUR
View
A
Retailer 5
-
HK$6,794 HKD
$866 USD
View
A
Retailer 6
-
HK$7,092 HKD
£712 GBP
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$15,893 HKD
£1,595 GBP
View
B
Retailer 12
-
HK$16,044 HKD
$2,045 USD
View
B
Retailer 13
-
HK$20,242 HKD
$2,580 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIPPKG · Nov 1
HK$20,446 HKD
$2,606 USD
View
13 more retailers have this diamond
Prices start from HK$4,048 HKDSave up to HK$16,398 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