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Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2526332350

Certificate GIA 2526332350

Diamond specifications and retailer prices

From $327 AUD
As of November 6, 2026
Save $1,409 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,736 AUD 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 $327 to $1,736, a $1,409 spread on the same certified stone. NZ Jewellers lists it at $1,736. 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 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,736 AUD|Low: $327 AUD|High: $1,794 AUD|Avg: $674 AUD|-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$327 AUD
Retailer 12$383 AUD
Retailer 10$453 AUD
Retailer 3$493 AUD
Retailer 8$504 AUD
Retailer 4$571 AUD
Retailer 5$573 AUD
Retailer 7$610 AUD
Retailer 9$639 AUD
Retailer 11$743 AUD
Retailer 6$844 AUD
NZ Jewellers$1,736 AUD

30 data points across 12 retailers

12 retailers$327 AUD to $1,736 AUD

A
Cheapest Retailer
-
$327 AUD
A
Retailer 2
-
$383 AUD
View
A
Retailer 3
-
$453 AUD
View
Retailer 4
-
$493 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$504 AUD
View
Retailer 6
-
$571 AUD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$573 AUD
View
B+
Retailer 8
-
$610 AUD
View
B+
Retailer 9
-
$639 AUD
View
B+
Retailer 10
-
$743 AUD
View
B+
Retailer 11
-
$844 AUD
View
Most Expensive
B
NZ Jewellers
ca70c7c5-3348-406e-be7e-bd95e2feff8a · Nov 4
$1,736 AUD
$1,215 USD
View
11 more retailers have this diamond
Prices start from $327 AUDSave up to $1,409 AUD

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
$327 AUD