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Radiant|Lab Grown|IGI

2.57ct D FL Radiant Lab Grown Diamond

D/FL

Diamond specifications and retailer prices

From HK$8,466 HKD
$1,079 USD
As of October 30, 2026
Save HK$39,495 HKD (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$47,961 HKD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless) and certified by IGI. Listed at 5 retailers as of October 29, 2026, with prices from HK$8,466 to HK$47,961, a HK$39,495 spread on the same certified stone. Helzberg Diamonds lists it at HK$47,961. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
D
Colour
FL
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.13 × 6.75 × 4.81 mm
L/W Ratio1.35
Top View
9.13 mm6.75 mm2.57 ctD / FL
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MediumPavilionCuletDepth 71.3%

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: Oct 30
Current: HK$47,961 HKD|Low: HK$8,466 HKD|High: HK$81,548 HKD|Avg: HK$26,332 HKD|-41.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 22, 2026
Retailer 3HK$8,466 HKD
Retailer 2HK$9,211 HKD
Retailer 4HK$9,815 HKD
Retailer 5HK$18,406 HKD
Helzberg DiamondsHK$47,961 HKD

11 data points across 5 retailers

5 retailersHK$8,466 HKD to HK$47,961 HKD

A
Cheapest Retailer
-
HK$8,466 HKD
$1,079 USD
B+
Retailer 2
-
HK$9,211 HKD
$1,174 USD
View
A
Retailer 3
-
HK$9,815 HKD
$1,251 USD
View
B+
Retailer 4
-
HK$18,406 HKD
$2,346 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNPPMKJMLO · Oct 29
HK$47,961 HKD
$6,113 USD
View
4 more retailers have this diamond
Prices start from HK$8,466 HKDSave up to HK$39,495 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
2.57ct Radiant
HK$8,466 HKD