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0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2527091058

Shape and cutting style on the report: Round brilliant

Certificate GIA 2527091058

Diamond specifications and retailer prices

From $836 NZD
As of November 5, 2026
Save $2,853 NZD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,689 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2527091058. Listed at 16 retailers as of November 4, 2026, with prices from $836 to $3,689, a $2,853 spread on the same certified stone. NZ Jewellers lists it at $3,689. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2527091058
Dimensions5.19 × 5.16 × 3.12 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.19 mm5.16 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527091058
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

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 5
Current: $1,708 NZD|Low: $836 NZD|High: $2,745 NZD|Avg: $1,501 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$836 NZD
Retailer 8$1,085 NZD
Retailer 2$1,201 NZD
Retailer 7$1,427 NZD
Retailer 3$1,428 NZD
Retailer 4$1,516 NZD
Retailer 1$1,708 NZD
Retailer 6$2,713 NZD

30 data points across 8 retailers

16 retailers$836 NZD to $3,689 NZD

A
Cheapest Retailer
-
$836 NZD
A
Retailer 2
-
$978 NZD
View
A
Retailer 3
-
$1,085 NZD
View
Final sale: no returns
Retailer 4
-
$1,176 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,176 NZD
View
Retailer 6
-
$1,201 NZD
View
A
Retailer 7
-
$1,222 NZD
View
A
Retailer 8
-
$1,357 NZD
View
A
Retailer 9
-
$1,411 NZD
View
B+
Retailer 10
-
$1,427 NZD
View
B+
Retailer 11
-
$1,428 NZD
View
B+
Retailer 12
-
$1,516 NZD
View
B+
Retailer 13
-
$1,708 NZD
View
B+
Retailer 14
-
$2,039 NZD
View
B
Retailer 15
-
$2,713 NZD
View
Most Expensive
B
NZ Jewellers
33438e9f-19f0-400a-ad8a-405be916de28 · Nov 4
$3,689 NZD
$2,074 USD
View
15 more retailers have this diamond
Prices start from $836 NZDSave up to $2,853 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 Round
$836 NZD