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Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614457

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

Certificate IGI LG836614457

Diamond specifications and retailer prices

From HK$2,346 HKD
$299 USD
As of October 30, 2026
Save HK$20,485 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$24,479 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.4ct lab-grown radiant diamond

This 1.4ct 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 LG836614457 or 836614457. Listed at 22 retailers as of October 30, 2026, with a 873% 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

1.40
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614457
Dimensions7.93 × 5.34 × 3.74 mm
L/W Ratio1.49
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
7.93 mm5.34 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614457
Side View
Table 63.0%Crown 43.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
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: Oct 30
Current: HK$24,479 HKD|Low: HK$2,346 HKD|High: HK$32,638 HKD|Avg: HK$8,948 HKD|-0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 10HK$2,346 HKD
Retailer 21HK$2,722 HKD
Retailer 11HK$2,801 HKD
Retailer 9HK$2,911 HKD
Retailer 20HK$2,911 HKD
Retailer 17HK$3,006 HKD
Retailer 5HK$4,119 HKD
Retailer 3HK$4,754 HKD
Retailer 22HK$4,911 HKD
Retailer 19HK$5,003 HKD
Retailer 13HK$5,166 HKD
Retailer 2HK$5,412 HKD
Retailer 6HK$7,940 HKD
Retailer 4HK$8,944 HKD
Retailer 8HK$9,360 HKD
Retailer 7HK$9,733 HKD
Retailer 14HK$10,723 HKD
Retailer 18HK$11,728 HKD
Retailer 15HK$12,161 HKD
Retailer 12HK$20,744 HKD
Retailer 16HK$22,831 HKD
Rare CaratHK$24,479 HKD

23 data points across 22 retailers

22 retailersHK$2,346 HKD to HK$22,831 HKD

A
Cheapest Retailer
-
HK$2,346 HKD
$299 USD
A
Retailer 2
-
HK$2,722 HKD
$347 USD
View
A
Retailer 3
-
HK$2,801 HKD
$357 USD
View
Final sale: no returns
A
Retailer 4
-
HK$2,911 HKD
$371 USD
View
A
Retailer 5
-
HK$2,911 HKD
$371 USD
View
A
Retailer 6
-
HK$3,006 HKD
£302 GBP
View
A
Retailer 7
-
HK$4,119 HKD
$525 USD
View
A
Retailer 8
-
HK$4,754 HKD
$606 USD
View
A
Retailer 9
-
HK$4,911 HKD
$626 USD
View
A
Retailer 10
-
HK$5,003 HKD
ZAR 10,301 ZAR
View
A
Retailer 11
-
HK$5,166 HKD
£518 GBP
View
A
Retailer 12
-
HK$5,412 HKD
€657 EUR
View
B+
Retailer 13
-
HK$7,940 HKD
$1,012 USD
View
B+
Retailer 14
-
HK$8,944 HKD
$1,140 USD
View
B+
Retailer 15
-
HK$9,360 HKD
$1,193 USD
View
B+
Retailer 16
-
HK$9,733 HKD
$1,241 USD
View
B+
Retailer 17
-
HK$10,723 HKD
SGD 1,847 SGD
View
B+
Retailer 18
-
HK$11,728 HKD
£1,177 GBP
View
B
Retailer 19
-
HK$12,161 HKD
$1,550 USD
View
B
Retailer 20
-
HK$20,744 HKD
$2,644 USD
View
B
Retailer 21
-
HK$22,831 HKD
$2,910 USD
View
Most Expensive
Rare Carat
JH-253466 · Oct 21
HK$24,479 HKD
$3,120 USD
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from HK$2,346 HKDSave up to HK$20,485 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
1.40ct Radiant
HK$2,346 HKD