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Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 1327713376

Certificate GIA 1327713376

Diamond specifications and retailer prices

From $619 NZD
As of November 2, 2026
Save $1,756 NZD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,375 NZD at NZ Jewellers · As of November 2, 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 1327713376. Listed at 12 retailers as of November 2, 2026, with prices from $619 to $2,375, a $1,756 spread on the same certified stone. NZ Jewellers lists it at $2,375. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1327713376
Dimensions5.11 × 5.13 × 3.17 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Top View
5.11 mm5.13 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1327713376
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 2
Current: $790 NZD|Low: $664 NZD|High: $1,144 NZD|Avg: $871 NZD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$667 NZD
Retailer 4$667 NZD
Retailer 1$790 NZD
Retailer 5$793 NZD
Retailer 6$1,094 NZD
Retailer 2$1,138 NZD

43 data points across 6 retailers

12 retailers$619 NZD to $2,375 NZD

Retailer 1
-
$619 NZD
Price last confirmed 28 days ago
A
Retailer 2
-
$619 NZD
View
Retailer 3
-
$667 NZD
View
Price last confirmed 8 days ago
Retailer 4
-
$690 NZD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$790 NZD
View
B+
Retailer 6
-
$793 NZD
View
Retailer 7
-
$834 NZD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$834 NZD
View
B+
Retailer 9
-
$850 NZD
View
B
Retailer 10
-
$1,138 NZD
View
Retailer 11
-
$2,375 NZD
View
Price last confirmed 43 days ago
Most Expensive
C
NZ Jewellers
4c06adae-2ca7-458b-854e-d7c9b1e2b7ca · Nov 2
$2,375 NZD
$1,335 USD
View
11 more retailers have this diamond
Prices start from $619 NZDSave up to $1,756 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
$619 NZD