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Radiant|Natural|GIA

1.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 2557449353

Certificate GIA 2557449353

Diamond specifications and retailer prices

From HK$34,884 HKD
As of November 2, 2026
Save HK$29,633 HKD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$64,517 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557449353. Listed at 6 retailers as of November 2, 2026, with prices from HK$34,884 to HK$64,517, a HK$29,633 spread on the same certified stone. NZ Jewellers lists it at HK$64,517. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.8°
Pavilion angle37.54°
OriginNatural
Grading LabGIA
CertificateGIA 2557449353
Dimensions7.70 × 5.89 × 3.85 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
7.70 mm5.89 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557449353
Side View
Table 70.0%Crown 46.8°GirdlePavilion 37.54°Culet: NoneDepth 65.4%

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 2
Current: HK$64,517 HKD|Low: HK$33,991 HKD|High: HK$66,265 HKD|Avg: HK$44,283 HKD|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6HK$33,991 HKD
Retailer 7HK$34,187 HKD
Retailer 2HK$34,884 HKD
Retailer 4HK$37,032 HKD
Retailer 5HK$37,032 HKD
Retailer 3HK$58,969 HKD
NZ JewellersHK$64,517 HKD

29 data points across 7 retailers

6 retailersHK$34,884 HKD to HK$64,517 HKD

Retailer 1
-
HK$33,991 HKD
Price last confirmed 21 days ago
A
Retailer 2
-
HK$34,884 HKD
View
A
Retailer 3
-
HK$37,032 HKD
View
A
Retailer 4
-
HK$37,032 HKD
View
B+
Retailer 5
-
HK$58,969 HKD
View
Most Expensive
B+
NZ Jewellers
7b1e8911-a1f6-43bf-94fe-9352a2776896 · Nov 3
HK$64,517 HKD
$8,232 USD
View
5 more retailers have this diamond
Prices start from HK$34,884 HKDSave up to HK$29,633 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
1.51ct Radiant
HK$34,884 HKD