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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804649668

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

Certificate IGI LG804649668

Diamond specifications and retailer prices

From HK$2,330 HKD
As of November 4, 2026
Save HK$16,264 HKD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$23,106 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.31ct lab-grown radiant diamond

This 1.31ct 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 LG804649668 or 804649668. Listed at 20 retailers as of November 4, 2026, with a 698% 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

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649668
Dimensions7.73 × 5.35 × 3.67 mm
L/W Ratio1.44
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
7.73 mm5.35 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649668
Side View
Table 65.0%Crown 37.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.6%

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 4
Current: HK$23,106 HKD|Low: HK$2,330 HKD|High: HK$31,540 HKD|Avg: HK$8,970 HKD|-1.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 4, 2026
Retailer 17HK$2,330 HKD
Retailer 2HK$2,652 HKD
Retailer 9HK$3,782 HKD
Retailer 12HK$3,844 HKD
Retailer 10HK$4,284 HKD
Retailer 6HK$4,613 HKD
Retailer 8HK$4,668 HKD
Retailer 11HK$4,896 HKD
Retailer 7HK$5,115 HKD
Retailer 13HK$6,975 HKD
Retailer 4HK$7,791 HKD
Retailer 15HK$7,932 HKD
Retailer 16HK$8,693 HKD
Retailer 3HK$9,305 HKD
Retailer 5HK$10,341 HKD
Retailer 14HK$18,595 HKD
Rare CaratHK$23,106 HKD

30 data points across 17 retailers

20 retailersHK$2,330 HKD to HK$18,595 HKD

A
Cheapest Retailer
-
HK$2,330 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,652 HKD
View
Retailer 3
-
HK$2,926 HKD
View
Price last confirmed 33 days ago
Retailer 4
-
HK$3,413 HKD
View
Price last confirmed 38 days ago
Retailer 5
-
HK$3,782 HKD
View
Price last confirmed 32 days ago
A
Retailer 6
-
HK$3,844 HKD
View
A
Retailer 7
-
HK$4,284 HKD
View
A
Retailer 8
-
HK$4,613 HKD
View
A
Retailer 9
-
HK$4,668 HKD
View
A
Retailer 10
-
HK$4,896 HKD
View
A
Retailer 11
-
HK$5,115 HKD
View
B+
Retailer 12
-
HK$6,975 HKD
View
B+
Retailer 13
-
HK$7,791 HKD
View
B+
Retailer 14
-
HK$7,932 HKD
View
B+
Retailer 15
-
HK$8,693 HKD
View
B+
Retailer 16
-
HK$9,305 HKD
View
B+
Retailer 17
-
HK$10,341 HKD
View
Retailer 18
-
HK$12,145 HKD
View
Price last confirmed 35 days ago
B
Retailer 19
-
HK$18,595 HKD
View
Most Expensive
Rare Carat
ACP-208191 · Oct 21
HK$23,106 HKD
$2,945 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from HK$2,330 HKDSave up to HK$16,264 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
1.31ct Radiant
HK$2,330 HKD