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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825661384

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

Certificate IGI LG825661384

Diamond specifications and retailer prices

From HK$2,495 HKD
As of November 4, 2026
Save HK$17,041 HKD (87%) vs most expensive(unlock to see where)
19 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 LG825661384 or 825661384. Listed at 19 retailers as of November 4, 2026, with a 683% 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 angle25.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661384
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
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
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661384
Side View
Table 63.0%Crown 25.9°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.2%

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$2,495 HKD|High: HK$31,540 HKD|Avg: HK$9,472 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
November 4, 2026
Retailer 16HK$2,495 HKD
Retailer 2HK$2,746 HKD
Retailer 8HK$3,782 HKD
Retailer 11HK$3,923 HKD
Retailer 9HK$4,425 HKD
Retailer 10HK$4,660 HKD
Retailer 6HK$4,723 HKD
Retailer 7HK$5,115 HKD
Retailer 12HK$6,998 HKD
Retailer 4HK$8,128 HKD
Retailer 14HK$8,222 HKD
Retailer 15HK$8,999 HKD
Retailer 3HK$9,666 HKD
Retailer 5HK$10,725 HKD
Retailer 13HK$19,536 HKD
Rare CaratHK$23,106 HKD

33 data points across 16 retailers

19 retailersHK$2,495 HKD to HK$19,536 HKD

A
Cheapest Retailer
-
HK$2,495 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,746 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$3,923 HKD
View
A
Retailer 7
-
HK$4,425 HKD
View
A
Retailer 8
-
HK$4,660 HKD
View
A
Retailer 9
-
HK$4,723 HKD
View
A
Retailer 10
-
HK$5,115 HKD
View
B+
Retailer 11
-
HK$6,998 HKD
View
B+
Retailer 12
-
HK$8,128 HKD
View
B+
Retailer 13
-
HK$8,222 HKD
View
B+
Retailer 14
-
HK$8,999 HKD
View
B+
Retailer 15
-
HK$9,666 HKD
View
B+
Retailer 16
-
HK$10,725 HKD
View
Retailer 17
-
HK$12,145 HKD
View
Price last confirmed 35 days ago
B
Retailer 18
-
HK$19,536 HKD
View
Most Expensive
Rare Carat
PD-244044 · Oct 21
HK$23,106 HKD
$2,945 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from HK$2,495 HKDSave up to HK$17,041 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$2,495 HKD