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Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG762545712

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

Certificate IGI LG762545712

Diamond specifications and retailer prices

From HK$6,427 HKD
As of October 31, 2026
Save HK$26,054 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$32,481 HKD at Brilliant Earth · As of October 29, 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 LG762545712 or 762545712. Listed at 13 retailers as of October 29, 2026, with prices from HK$6,427 to HK$32,481, a HK$26,054 spread on the same certified stone. Brilliant Earth lists it at HK$32,481. 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 angle39.9°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545712
Dimensions7.92 × 5.61 × 3.60 mm
L/W Ratio1.41
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
7.92 mm5.61 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545712
Side View
Table 64.0%Crown 39.9°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 64.2%

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 31
Current: HK$32,481 HKD|Low: HK$6,427 HKD|High: HK$33,501 HKD|Avg: HK$14,852 HKD|-3.0%
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
October 31, 2026
Retailer 4HK$6,427 HKD
Retailer 10HK$6,457 HKD
Retailer 13HK$6,512 HKD
Retailer 3HK$7,257 HKD
Retailer 2HK$7,876 HKD
Retailer 6HK$7,898 HKD
Retailer 8HK$8,824 HKD
Retailer 12HK$12,082 HKD
Retailer 5HK$17,603 HKD
Retailer 11HK$20,728 HKD
Retailer 7HK$21,552 HKD
Retailer 9HK$24,361 HKD
Brilliant EarthHK$32,481 HKD

43 data points across 13 retailers

13 retailersHK$6,427 HKD to HK$32,481 HKD

A
Cheapest Retailer
-
HK$6,427 HKD
A
Retailer 2
-
HK$6,457 HKD
$823 USD
View
A
Retailer 3
-
HK$6,512 HKD
$830 USD
View
A
Retailer 4
-
HK$7,257 HKD
$925 USD
View
B+
Retailer 5
-
HK$7,876 HKD
€956 EUR
View
B+
Retailer 6
-
HK$7,898 HKD
£793 GBP
View
B+
Retailer 7
-
HK$8,824 HKD
ZAR 18,170 ZAR
View
B+
Retailer 8
-
HK$12,082 HKD
$1,540 USD
View
B
Retailer 9
-
HK$17,603 HKD
$2,244 USD
View
B
Retailer 10
-
HK$20,728 HKD
$2,642 USD
View
B
Retailer 11
-
HK$21,552 HKD
£2,163 GBP
View
Retailer 12
-
HK$24,361 HKD
$3,105 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
19646879Y · Oct 29
HK$32,481 HKD
$4,140 USD
View
12 more retailers have this diamond
Prices start from HK$6,427 HKDSave up to HK$26,054 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$6,427 HKD