Round|Natural|HRD

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • HRD 260000192986

Certificate HRD 260000192986

Diamond specifications and retailer prices

From $21,184 NZD
SGD 16,134 SGD
As of October 31, 2026
Save $449 NZD (2%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $33,552 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000192986. Listed at 10 retailers as of October 31, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000192986
Dimensions8.56 × 8.65 × 5.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
8.56 mm8.65 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000192986
Side View
Table 56.0%Crown 36.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $33,552 NZD|Low: $18,536 NZD|High: $33,552 NZD|Avg: $24,237 NZD
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
October 13, 2026
Retailer 6$18,578 NZD
Retailer 12$20,360 NZD
Retailer 2$21,184 NZD
Retailer 9$21,293 NZD
Retailer 3$21,632 NZD
Retailer 11$22,221 NZD
Retailer 10$23,703 NZD
Retailer 4$24,074 NZD
Retailer 13$24,662 NZD
Retailer 5$25,000 NZD
Retailer 7$25,238 NZD
Retailer 8$31,820 NZD
NZ Jewellers$33,552 NZD

26 data points across 13 retailers

10 retailers$21,184 NZD to $21,632 NZD

Retailer 1
-
$18,578 NZD
₹997,193 INR
Price last confirmed 20 days ago
A
Retailer 2
-
$21,184 NZD
SGD 16,134 SGD
View
A
Retailer 3
-
$21,632 NZD
$12,192 USD
View
Retailer 4
-
$22,221 NZD
$12,524 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$23,703 NZD
$13,359 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$24,074 NZD
$13,568 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$24,662 NZD
$13,899 USD
View
Price last confirmed 21 days ago
Retailer 8
-
$25,000 NZD
$14,090 USD
View
Price last confirmed 23 days ago
Retailer 9
-
$31,820 NZD
£14,121 GBP
View
Price last confirmed 22 days ago
Most Expensive
NZ Jewellers
dfda7516-d111-4285-8acf-7cfc15a116d3 · Sep 28
$33,552 NZD
$18,910 USD
View
Price last confirmed 34 days ago
9 more retailers have this diamond
Prices start from $21,184 NZDSave up to $449 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
2.51ct Round
$21,184 NZD