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2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 799675383

Shape and cutting style on the report: Round brilliant

Certificate IGI 799675383

Diamond specifications and retailer prices

From $14,673 NZD
SGD 11,175 SGD
As of October 31, 2026
Save $8,152 NZD (36%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $22,825 NZD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

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 IGI 799675383. Listed at 7 retailers as of October 31, 2026, with prices from $14,673 to $22,825, a $8,152 spread on the same certified stone. The Diamond Guys lists it at $22,825. 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 angle35.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 799675383
Dimensions8.57 × 8.61 × 5.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.57 mm8.61 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799675383
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

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: $19,964 NZD|Low: $14,296 NZD|High: $23,236 NZD|Avg: $19,090 NZD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 1, 2026
Retailer 7$14,296 NZD
Retailer 5$14,673 NZD
Retailer 4$17,140 NZD
Retailer 2$17,328 NZD
Retailer 1$19,964 NZD
Retailer 6$20,018 NZD
Retailer 3$21,331 NZD
The Diamond Guys$22,825 NZD

31 data points across 8 retailers

7 retailers$14,673 NZD to $22,825 NZD

A
Cheapest Retailer
-
$14,673 NZD
SGD 11,175 SGD
Retailer 2
-
$17,140 NZD
$9,660 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$17,328 NZD
$9,766 USD
View
A
Retailer 4
-
$19,964 NZD
€10,716 EUR
View
A
Retailer 5
-
$20,018 NZD
$11,282 USD
View
A
Retailer 6
-
$21,331 NZD
$12,022 USD
View
Most Expensive
A
The Diamond Guys
1959917951 · Oct 31
$22,825 NZD
$12,864 USD
View
6 more retailers have this diamond
Prices start from $14,673 NZDSave up to $8,152 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
$14,673 NZD