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2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 819642296

Shape and cutting style on the report: Round brilliant

Certificate IGI 819642296

Diamond specifications and retailer prices

From $14,082 NZD
SGD 10,707 SGD
As of October 31, 2026
Save $6,361 NZD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $20,443 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642296. Listed at 6 retailers as of October 26, 2026, with prices from $14,082 to $20,443, a $6,361 spread on the same certified stone. Wholesale Diamonds Direct lists it at $20,443. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 819642296
Dimensions8.58 × 8.64 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.58 mm8.64 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642296
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

Caratlytics Score

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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: Oct 31
Current: $19,164 NZD|Low: $14,082 NZD|High: $22,877 NZD|Avg: $18,544 NZD|-9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$14,082 NZD
Retailer 3$16,476 NZD
Retailer 2$16,632 NZD
Retailer 1$19,164 NZD
Retailer 5$19,245 NZD
Wholesale Diamonds Direct$20,443 NZD

31 data points across 6 retailers

6 retailers$14,082 NZD to $20,443 NZD

A
Cheapest Retailer
-
$14,082 NZD
SGD 10,707 SGD
Retailer 2
-
$16,476 NZD
$9,270 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$16,632 NZD
$9,358 USD
View
A
Retailer 4
-
$19,164 NZD
€10,269 EUR
View
A
Retailer 5
-
$19,245 NZD
$10,828 USD
View
Most Expensive
A
Wholesale Diamonds Direct
584618153 · Oct 26
$20,443 NZD
$11,502 USD
View
5 more retailers have this diamond
Prices start from $14,082 NZDSave up to $6,361 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
$14,082 NZD