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Radiant|Natural|GIA

0.51ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7562727565

Certificate GIA 7562727565

Diamond specifications and retailer prices

From $1,126 NZD
As of November 6, 2026
Save $2,700 NZD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,826 NZD at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7562727565. Listed at 10 retailers as of November 5, 2026, with prices from $1,126 to $3,826, a $2,700 spread on the same certified stone. NZ Jewellers lists it at $3,826. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7562727565
Dimensions5.33 × 3.99 × 2.74 mm
L/W Ratio1.34
Top View
5.33 mm3.99 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7562727565
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 68.5%

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 6
Current: $3,826 NZD|Low: $1,126 NZD|High: $3,826 NZD|Avg: $1,768 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 10$1,126 NZD
Retailer 3$1,266 NZD
Retailer 5$1,458 NZD
Retailer 4$1,488 NZD
Retailer 2$1,490 NZD
Retailer 7$1,528 NZD
Retailer 8$1,551 NZD
Retailer 9$1,654 NZD
Retailer 6$1,676 NZD
NZ Jewellers$3,826 NZD

3 data points across 10 retailers

10 retailers$1,126 NZD to $3,826 NZD

A
Cheapest Retailer
-
$1,126 NZD
Final sale: no returns
A
Retailer 2
-
$1,266 NZD
View
B+
Retailer 3
-
$1,458 NZD
View
B+
Retailer 4
-
$1,488 NZD
View
B+
Retailer 5
-
$1,490 NZD
View
B+
Retailer 6
-
$1,528 NZD
View
B+
Retailer 7
-
$1,551 NZD
View
B+
Retailer 8
-
$1,654 NZD
View
B+
Retailer 9
-
$1,676 NZD
View
Most Expensive
B
NZ Jewellers
cd7b878b-5dd7-4b8c-ae8c-50d5bd73af1e · Nov 5
$3,826 NZD
$2,121 USD
View
9 more retailers have this diamond
Prices start from $1,126 NZDSave up to $2,700 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
$1,126 NZD