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Radiant|Natural|GIA

0.51ct H SI1 Radiant Natural Diamond

VG • H/SI1 • GIA 7568727567

Certificate GIA 7568727567

Diamond specifications and retailer prices

From $763 NZD
$430 USD
As of November 2, 2026
Save $2,408 NZD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,171 NZD 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 7568727567. Listed at 12 retailers as of October 30, 2026, with prices from $763 to $3,171, a $2,408 spread on the same certified stone. NZ Jewellers lists it at $3,171. 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

0.51
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7568727567
Dimensions3.96 × 5.18 × 2.83 mm
L/W Ratio1.31
Top View
3.96 mm5.18 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7568727567
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 71.6%

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: $3,171 NZD|Low: $763 NZD|High: $3,171 NZD|Avg: $1,432 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$763 NZD
Retailer 10$891 NZD
Retailer 2$1,015 NZD
Retailer 5$1,031 NZD
Retailer 4$1,037 NZD
Retailer 8$1,060 NZD
Retailer 11$1,148 NZD
Retailer 9$1,189 NZD
Retailer 7$1,277 NZD
Retailer 6$1,911 NZD
Retailer 3$3,042 NZD
NZ Jewellers$3,171 NZD

6 data points across 12 retailers

12 retailers$763 NZD to $3,171 NZD

A
Cheapest Retailer
-
$763 NZD
$430 USD
Final sale: no returns
A
Retailer 2
-
$891 NZD
$502 USD
View
A
Retailer 3
-
$1,015 NZD
£451 GBP
View
A
Retailer 4
-
$1,031 NZD
£458 GBP
View
B+
Retailer 5
-
$1,037 NZD
£460 GBP
View
B+
Retailer 6
-
$1,060 NZD
$597 USD
View
B+
Retailer 7
-
$1,148 NZD
$647 USD
View
B+
Retailer 8
-
$1,189 NZD
$670 USD
View
B+
Retailer 9
-
$1,277 NZD
ZAR 11,625 ZAR
View
B
Retailer 10
-
$1,911 NZD
£848 GBP
View
C
Retailer 11
-
$3,042 NZD
£1,350 GBP
View
Most Expensive
C
NZ Jewellers
9966d794-7b69-4016-8363-a21e0f6feff5 · Oct 30
$3,171 NZD
$1,787 USD
View
11 more retailers have this diamond
Prices start from $763 NZDSave up to $2,408 NZD

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
$763 NZD