Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784642060

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

Certificate IGI LG784642060

Diamond specifications and retailer prices

From HK$2,566 HKD
$327 USD
As of October 30, 2026
Save HK$22,148 HKD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$24,714 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG784642060 or 784642060. Listed at 14 retailers as of October 30, 2026, with prices from HK$2,566 to HK$24,714, a HK$22,148 spread on the same certified stone. Brilliant Earth lists it at HK$24,714. 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 angle41.9°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642060
Dimensions8.08 × 5.54 × 3.66 mm
L/W Ratio1.46
Culet sizePointed
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
8.08 mm5.54 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642060
Side View
Table 64.0%Crown 41.9°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A+
Exceptional
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$24,714 HKD|Low: HK$2,566 HKD|High: HK$33,501 HKD|Avg: HK$12,390 HKD|-26.2%
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
Retailer 15
October 30, 2026
Retailer 8HK$2,566 HKD
Retailer 14HK$2,974 HKD
Retailer 6HK$3,750 HKD
Retailer 9HK$4,456 HKD
Retailer 4HK$4,707 HKD
Retailer 12HK$5,155 HKD
Retailer 15HK$5,923 HKD
Retailer 5HK$6,394 HKD
Retailer 11HK$9,329 HKD
Retailer 13HK$11,282 HKD
Retailer 2HK$13,790 HKD
Retailer 10HK$22,753 HKD
Retailer 7HK$24,130 HKD
Retailer 3HK$24,361 HKD
Brilliant EarthHK$24,714 HKD

33 data points across 15 retailers

14 retailersHK$2,566 HKD to HK$24,714 HKD

A+
Cheapest Retailer
-
HK$2,566 HKD
$327 USD
A
Retailer 2
-
HK$2,974 HKD
$379 USD
View
A
Retailer 3
-
HK$3,750 HKD
$478 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,456 HKD
$568 USD
View
A
Retailer 5
-
HK$4,707 HKD
$600 USD
View
A
Retailer 6
-
HK$5,155 HKD
$657 USD
View
Retailer 7
-
HK$5,923 HKD
€719 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$6,394 HKD
$815 USD
View
B+
Retailer 9
-
HK$9,329 HKD
$1,189 USD
View
B+
Retailer 10
-
HK$11,282 HKD
$1,438 USD
View
B+
Retailer 11
-
HK$13,790 HKD
£1,384 GBP
View
B
Retailer 12
-
HK$22,753 HKD
$2,900 USD
View
Retailer 13
-
HK$24,361 HKD
$3,105 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
19065628Y · Oct 30
HK$24,714 HKD
$3,150 USD
View
13 more retailers have this diamond
Prices start from HK$2,566 HKDSave up to HK$22,148 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$2,566 HKD