Round|Natural|IGI

2.50ct F SI2 Round Natural Diamond

EX • F/SI2 • IGI 819642081

Shape and cutting style on the report: Round brilliant

Certificate IGI 819642081

Diamond specifications and retailer prices

From $14,129 NZD
SGD 10,761 SGD
As of October 31, 2026
Save $6,535 NZD (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $20,664 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642081. Listed at 6 retailers as of October 26, 2026, with prices from $14,129 to $20,664, a $6,535 spread on the same certified stone. Wholesale Diamonds Direct lists it at $20,664. 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

2.50
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 819642081
Dimensions8.52 × 8.58 × 5.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.52 mm8.58 mm2.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819642081
Side View
Table 55.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $19,223 NZD|Low: $14,129 NZD|High: $22,598 NZD|Avg: $18,614 NZD|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
November 1, 2026
Retailer 4$14,129 NZD
Retailer 3$16,528 NZD
Retailer 2$16,687 NZD
Retailer 1$19,223 NZD
Retailer 5$19,306 NZD
Wholesale Diamonds Direct$20,664 NZD

33 data points across 6 retailers

6 retailers$14,129 NZD to $20,664 NZD

A
Cheapest Retailer
-
$14,129 NZD
SGD 10,761 SGD
A
Retailer 2
-
$16,528 NZD
$9,315 USD
View
A
Retailer 3
-
$16,687 NZD
$9,405 USD
View
A
Retailer 4
-
$19,223 NZD
€10,318 EUR
View
A
Retailer 5
-
$19,306 NZD
$10,881 USD
View
Most Expensive
A
Wholesale Diamonds Direct
584618201 · Oct 26
$20,664 NZD
$11,646 USD
View
5 more retailers have this diamond
Prices start from $14,129 NZDSave up to $6,535 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
2.50ct Round
$14,129 NZD