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Radiant|Natural|GIA

0.51ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 6561755542

Certificate GIA 6561755542

Diamond specifications and retailer prices

From HK$3,488 HKD
As of November 2, 2026
Save HK$10,596 HKD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$14,084 HKD at NZ Jewellers · As of November 3, 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 G 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 6561755542. Listed at 17 retailers as of November 2, 2026, with prices from HK$3,488 to HK$14,084, a HK$10,596 spread on the same certified stone. NZ Jewellers lists it at HK$14,084. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.5°
Pavilion angle55.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561755542
Dimensions5.44 × 4.04 × 2.72 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Top View
5.44 mm4.04 mm0.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561755542
Side View
Table 69.0%Crown 43.5°Girdle: MED-STKPavilion 55.6°Culet: NoneDepth 67.5%

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$14,084 HKD|Low: HK$3,488 HKD|High: HK$14,084 HKD|Avg: HK$5,418 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
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 14HK$3,488 HKD
Retailer 7HK$3,911 HKD
Retailer 4HK$3,997 HKD
Retailer 5HK$3,997 HKD
Retailer 17HK$4,146 HKD
Retailer 9HK$4,491 HKD
Retailer 12HK$4,836 HKD
Retailer 13HK$5,181 HKD
Retailer 10HK$5,455 HKD
Retailer 3HK$5,525 HKD
Retailer 16HK$5,619 HKD
Retailer 6HK$5,988 HKD
Retailer 2HK$5,996 HKD
Retailer 8HK$6,231 HKD
Retailer 15HK$6,317 HKD
Retailer 11HK$10,369 HKD
NZ JewellersHK$14,084 HKD

4 data points across 17 retailers

17 retailersHK$3,488 HKD to HK$14,084 HKD

A
Cheapest Retailer
-
HK$3,488 HKD
A
Retailer 2
-
HK$3,911 HKD
View
A
Retailer 3
-
HK$3,997 HKD
View
A
Retailer 4
-
HK$3,997 HKD
View
A
Retailer 5
-
HK$4,491 HKD
View
A
Retailer 6
-
HK$4,554 HKD
View
A
Retailer 7
-
HK$4,836 HKD
View
A
Retailer 8
-
HK$5,181 HKD
View
A
Retailer 9
-
HK$5,455 HKD
View
B+
Retailer 10
-
HK$5,525 HKD
View
B+
Retailer 11
-
HK$5,619 HKD
View
B+
Retailer 12
-
HK$5,988 HKD
View
B+
Retailer 13
-
HK$5,996 HKD
View
B+
Retailer 14
-
HK$6,231 HKD
View
B+
Retailer 15
-
HK$6,317 HKD
View
B
Retailer 16
-
HK$10,369 HKD
View
Most Expensive
B
NZ Jewellers
64aecc6f-0a86-4525-a7a4-c4e7ffb59046 · Nov 3
HK$14,084 HKD
$1,797 USD
View
16 more retailers have this diamond
Prices start from HK$3,488 HKDSave up to HK$10,596 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$3,488 HKD