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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From HK$2,158 HKD
As of November 4, 2026
Save HK$17,363 HKD (89%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$19,520 HKD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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. Listed at 7 retailers as of November 4, 2026, with prices from HK$2,158 to HK$19,520, a HK$17,363 spread on the same certified stone. Helzberg Diamonds lists it at HK$19,520. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
Top View
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.2%

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: Nov 4
Current: HK$19,520 HKD|Low: HK$2,158 HKD|High: HK$21,537 HKD|Avg: HK$7,346 HKD|-9.4%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 5HK$2,158 HKD
Retailer 3HK$2,503 HKD
Retailer 4HK$2,675 HKD
Retailer 7HK$2,738 HKD
Retailer 6HK$4,723 HKD
Retailer 2HK$8,607 HKD
Helzberg DiamondsHK$19,520 HKD

14 data points across 7 retailers

7 retailersHK$2,158 HKD to HK$19,520 HKD

A
Cheapest Retailer
-
HK$2,158 HKD
A
Retailer 2
-
HK$2,503 HKD
View
A
Retailer 3
-
HK$2,675 HKD
View
Retailer 4
-
HK$2,738 HKD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$4,723 HKD
View
B+
Retailer 6
-
HK$8,607 HKD
View
Most Expensive
B
Helzberg Diamonds
ZXZOILMMHJOK · Nov 4
HK$19,520 HKD
$2,488 USD
View
6 more retailers have this diamond
Prices start from HK$2,158 HKDSave up to HK$17,363 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$2,158 HKD