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2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • HRD 260000192986

Certificate HRD 260000192986

Diamond specifications and retailer prices

From $11,939 USD
SGD 16,134 SGD
As of October 29, 2026
Save $253 USD (2%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,910 USD 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 29, 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
Color
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 29
Current: $18,910 USD|Low: $10,447 USD|High: $18,910 USD|Avg: $13,660 USD
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$10,471 USD
Retailer 12$11,475 USD
Retailer 2$11,939 USD
Retailer 9$12,001 USD
Retailer 3$12,192 USD
Retailer 11$12,524 USD
Retailer 10$13,359 USD
Retailer 4$13,568 USD
Retailer 13$13,899 USD
Retailer 5$14,090 USD
Retailer 7$14,224 USD
Retailer 8$17,934 USD
NZ Jewellers$18,910 USD

26 data points across 13 retailers

10 retailers$11,939 USD to $12,192 USD

Retailer 1
-
$10,471 USD
₹997,193 INR
Price last confirmed 18 days ago
A
Retailer 2
-
$11,939 USD
SGD 16,134 SGD
View
A
Retailer 3
-
$12,192 USD
View
Retailer 4
-
$12,524 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$13,359 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$13,568 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$13,899 USD
View
Price last confirmed 19 days ago
Retailer 8
-
$14,090 USD
View
Price last confirmed 21 days ago
Retailer 9
-
$17,934 USD
£14,121 GBP
View
Price last confirmed 19 days ago
Most Expensive
NZ Jewellers
dfda7516-d111-4285-8acf-7cfc15a116d3 · Sep 28
$18,910 USD
View
Price last confirmed 32 days ago
9 more retailers have this diamond
Prices start from $11,939 USDSave up to $253 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
2.51ct Round
$11,939 USD