CaratHunter
Plans
Radiant|Natural|GIA

0.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 1563729567

Certificate GIA 1563729567

Diamond specifications and retailer prices

From HK$3,029 HKD
$386 USD
As of November 2, 2026
Save HK$11,039 HKD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$14,068 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563729567. Listed at 15 retailers as of October 30, 2026, with prices from HK$3,029 to HK$14,068, a HK$11,039 spread on the same certified stone. NZ Jewellers lists it at HK$14,068. 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

0.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563729567
Dimensions5.67 × 3.94 × 2.61 mm
L/W Ratio1.44
Girdle conditionPolished
Key to symbols
Twinning Wisp
Top View
5.67 mm3.94 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563729567
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.3%

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: Nov 2
Current: HK$14,068 HKD|Low: HK$3,029 HKD|High: HK$14,068 HKD|Avg: HK$5,626 HKD
NZ Jewellers
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
November 2, 2026
Retailer 13HK$3,029 HKD
Retailer 10HK$3,238 HKD
Retailer 6HK$3,716 HKD
Retailer 9HK$4,308 HKD
Retailer 2HK$4,314 HKD
Retailer 14HK$4,441 HKD
Retailer 7HK$4,723 HKD
Retailer 11HK$5,388 HKD
Retailer 4HK$5,398 HKD
Retailer 5HK$5,673 HKD
Retailer 12HK$5,915 HKD
Retailer 3HK$5,963 HKD
Retailer 8HK$10,134 HKD
NZ JewellersHK$14,068 HKD

6 data points across 14 retailers

15 retailersHK$3,029 HKD to HK$14,068 HKD

A
Cheapest Retailer
-
HK$3,029 HKD
$386 USD
Final sale: no returns
A
Retailer 2
-
HK$3,238 HKD
₹39,302 INR
View
A
Retailer 3
-
HK$3,716 HKD
View
A
Retailer 4
-
HK$4,308 HKD
€523 EUR
View
A
Retailer 5
-
HK$4,314 HKD
A$846 AUD
View
A
Retailer 6
-
HK$4,402 HKD
$561 USD
View
A
Retailer 7
-
HK$4,441 HKD
$566 USD
View
A
Retailer 8
-
HK$4,723 HKD
$602 USD
View
A
Retailer 9
-
HK$5,388 HKD
£541 GBP
View
B+
Retailer 10
-
HK$5,398 HKD
$688 USD
View
B+
Retailer 11
-
HK$5,673 HKD
$723 USD
View
B+
Retailer 12
-
HK$5,915 HKD
€718 EUR
View
B+
Retailer 13
-
HK$5,963 HKD
$760 USD
View
B
Retailer 14
-
HK$10,134 HKD
£1,017 GBP
View
Most Expensive
B
NZ Jewellers
e782b7bf-767a-44c0-bde0-7d09fbe752b7 · Oct 30
HK$14,068 HKD
$1,793 USD
View
14 more retailers have this diamond
Prices start from HK$3,029 HKDSave up to HK$11,039 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
0.51ct Radiant
HK$3,029 HKD