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0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2526332350

Certificate GIA 2526332350

Diamond specifications and retailer prices

From $229 USD
As of November 6, 2026
Save $986 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,215 USD 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 2526332350. Listed at 12 retailers as of November 4, 2026, with prices from $229 to $1,215, a $986 spread on the same certified stone. NZ Jewellers lists it at $1,215. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2526332350
Dimensions5.12 × 5.09 × 3.15 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
5.12 mm5.09 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2526332350
Side View
Table 58.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,215 USD|Low: $229 USD|High: $1,256 USD|Avg: $472 USD|-3.3%
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 6, 2026
Retailer 2$229 USD
Retailer 12$268 USD
Retailer 10$317 USD
Retailer 3$345 USD
Retailer 8$353 USD
Retailer 4$400 USD
Retailer 5$401 USD
Retailer 7$427 USD
Retailer 9$447 USD
Retailer 11$520 USD
Retailer 6$591 USD
NZ Jewellers$1,215 USD

30 data points across 12 retailers

12 retailers$229 USD to $1,215 USD

A
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$268 USD
View
A
Retailer 3
-
$317 USD
View
Retailer 4
-
$345 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$353 USD
View
Retailer 6
-
$400 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$401 USD
View
B+
Retailer 8
-
$427 USD
View
B+
Retailer 9
-
$447 USD
View
B+
Retailer 10
-
$520 USD
View
B+
Retailer 11
-
$591 USD
View
Most Expensive
B
NZ Jewellers
ca70c7c5-3348-406e-be7e-bd95e2feff8a · Nov 4
$1,215 USD
View
11 more retailers have this diamond
Prices start from $229 USDSave up to $986 USD

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
$229 USD