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Radiant|Lab Grown|IGI

1.38ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840633231

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840633231

Diamond specifications and retailer prices

From HK$2,762 HKD
$352 USD
As of October 30, 2026
Save HK$18,422 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$24,322 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.38ct lab-grown radiant diamond

This 1.38ct lab-grown radiant 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 LG840633231 or 840633231. Listed at 13 retailers as of October 30, 2026, with a 667% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle44.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633231
Dimensions7.60 × 5.61 × 3.75 mm
L/W Ratio1.35
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
7.60 mm5.61 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633231
Side View
Table 69.0%Crown 44.8°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 66.8%

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: Oct 30
Current: HK$24,322 HKD|Low: HK$2,762 HKD|High: HK$32,167 HKD|Avg: HK$9,554 HKD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4HK$2,762 HKD
Retailer 8HK$2,968 HKD
Retailer 11HK$4,511 HKD
Retailer 12HK$4,700 HKD
Retailer 10HK$4,938 HKD
Retailer 6HK$5,093 HKD
Retailer 2HK$5,346 HKD
Retailer 3HK$7,728 HKD
Retailer 13HK$8,826 HKD
Retailer 9HK$11,578 HKD
Retailer 5HK$11,988 HKD
Retailer 7HK$21,183 HKD
Rare CaratHK$24,322 HKD

24 data points across 13 retailers

13 retailersHK$2,762 HKD to HK$21,183 HKD

A
Cheapest Retailer
-
HK$2,762 HKD
$352 USD
Final sale: no returns
A
Retailer 2
-
HK$2,968 HKD
£298 GBP
View
A
Retailer 3
-
HK$4,511 HKD
$575 USD
View
A
Retailer 4
-
HK$4,700 HKD
$599 USD
View
A
Retailer 5
-
HK$4,938 HKD
ZAR 10,167 ZAR
View
A
Retailer 6
-
HK$5,093 HKD
£511 GBP
View
A
Retailer 7
-
HK$5,346 HKD
€649 EUR
View
B+
Retailer 8
-
HK$7,728 HKD
$985 USD
View
B+
Retailer 9
-
HK$8,826 HKD
$1,125 USD
View
B+
Retailer 10
-
HK$11,578 HKD
£1,162 GBP
View
B
Retailer 11
-
HK$11,988 HKD
$1,528 USD
View
B
Retailer 12
-
HK$21,183 HKD
$2,700 USD
View
Most Expensive
Rare Carat
PD-251763 · Oct 21
HK$24,322 HKD
$3,100 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from HK$2,762 HKDSave up to HK$18,422 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 Radiant
HK$2,762 HKD