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0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 6525636856

Certificate GIA 6525636856

Diamond specifications and retailer prices

From $397 NZD
As of November 6, 2026
Save $2,024 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,421 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525636856. Listed at 13 retailers as of November 4, 2026, with prices from $397 to $2,421, a $2,024 spread on the same certified stone. NZ Jewellers lists it at $2,421. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6525636856
Dimensions5.12 × 5.08 × 3.20 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.12 mm5.08 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525636856
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

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: $2,421 NZD|Low: $397 NZD|High: $2,437 NZD|Avg: $823 NZD|+13.7%
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
November 6, 2026
Retailer 2$397 NZD
Retailer 5$477 NZD
Retailer 11$534 NZD
Retailer 4$596 NZD
Retailer 13$599 NZD
Retailer 8$672 NZD
Retailer 12$703 NZD
Retailer 10$719 NZD
Retailer 7$765 NZD
Retailer 3$904 NZD
Retailer 9$916 NZD
Retailer 6$1,057 NZD
NZ Jewellers$2,421 NZD

19 data points across 13 retailers

13 retailers$397 NZD to $2,421 NZD

A
Cheapest Retailer
-
$397 NZD
A
Retailer 2
-
$477 NZD
View
A
Retailer 3
-
$534 NZD
View
Retailer 4
-
$596 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$599 NZD
View
A
Retailer 6
-
$672 NZD
View
A
Retailer 7
-
$703 NZD
View
A
Retailer 8
-
$719 NZD
View
B+
Retailer 9
-
$765 NZD
View
B+
Retailer 10
-
$904 NZD
View
B+
Retailer 11
-
$916 NZD
View
B+
Retailer 12
-
$1,057 NZD
View
Most Expensive
C
NZ Jewellers
3b2466e1-a7bf-4887-844f-bb91cdcbcbbe · Nov 4
$2,421 NZD
$1,361 USD
View
12 more retailers have this diamond
Prices start from $397 NZDSave up to $2,024 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
$397 NZD