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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831604107

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

Certificate IGI LG831604107

Diamond specifications and retailer prices

From HK$2,903 HKD
As of November 4, 2026
Save HK$22,988 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$25,891 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 LG831604107 or 831604107. Listed at 16 retailers as of November 2, 2026, with prices from HK$2,903 to HK$25,891, a HK$22,988 spread on the same certified stone. Brilliant Earth lists it at HK$25,891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604107
Dimensions7.86 × 5.25 × 3.47 mm
L/W Ratio1.50
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
7.86 mm5.25 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604107
Side View
Table 65.0%Crown 42.9°Girdle: MediumPavilion 32.3°Culet: NoneDepth 66.1%

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$25,891 HKD|Low: HK$2,903 HKD|High: HK$25,891 HKD|Avg: HK$9,094 HKD
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
Retailer 16
November 4, 2026
Retailer 5HK$2,903 HKD
Retailer 9HK$3,311 HKD
Retailer 4HK$3,515 HKD
Retailer 8HK$4,394 HKD
Retailer 14HK$4,433 HKD
Retailer 11HK$5,555 HKD
Retailer 16HK$5,586 HKD
Retailer 2HK$5,704 HKD
Retailer 15HK$6,787 HKD
Retailer 10HK$7,634 HKD
Retailer 6HK$10,309 HKD
Retailer 3HK$10,694 HKD
Retailer 7HK$11,627 HKD
Retailer 13HK$12,647 HKD
Retailer 12HK$12,906 HKD
Brilliant EarthHK$25,891 HKD

19 data points across 16 retailers

16 retailersHK$2,903 HKD to HK$25,891 HKD

A
Cheapest Retailer
-
HK$2,903 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,311 HKD
View
A
Retailer 3
-
HK$3,515 HKD
View
A
Retailer 4
-
HK$4,394 HKD
View
A
Retailer 5
-
HK$4,433 HKD
View
A
Retailer 6
-
HK$5,555 HKD
View
A
Retailer 7
-
HK$5,586 HKD
View
A
Retailer 8
-
HK$5,704 HKD
View
B+
Retailer 9
-
HK$6,787 HKD
View
B+
Retailer 10
-
HK$7,634 HKD
View
B+
Retailer 11
-
HK$10,309 HKD
View
B+
Retailer 12
-
HK$10,694 HKD
View
B+
Retailer 13
-
HK$11,627 HKD
View
B+
Retailer 14
-
HK$12,647 HKD
View
B+
Retailer 15
-
HK$12,906 HKD
View
Most Expensive
B
Brilliant Earth
22154082A · Nov 2
HK$25,891 HKD
$3,300 USD
View
15 more retailers have this diamond
Prices start from HK$2,903 HKDSave up to HK$22,988 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
1.27ct Radiant
HK$2,903 HKD