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2.55ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 761526345

Shape and cutting style on the report: Round brilliant

Certificate IGI 761526345

Diamond specifications and retailer prices

From $10,236 USD
As of October 30, 2026
Save $6,422 USD (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,658 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.55ct natural round diamond

This 2.55ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 761526345. Listed at 13 retailers as of October 30, 2026, with prices from $10,236 to $16,658, a $6,422 spread on the same certified stone. NZ Jewellers lists it at $16,658. 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

2.55
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 761526345
Dimensions8.70 × 8.65 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.70 mm8.65 mm2.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 761526345
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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 30
Current: $16,658 USD|Low: $10,236 USD|High: $17,271 USD|Avg: $12,639 USD|-2.4%
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 30, 2026
Retailer 13$10,236 USD
Retailer 12$10,331 USD
Retailer 5$10,375 USD
Retailer 3$11,032 USD
Retailer 8$11,032 USD
Retailer 11$11,951 USD
Retailer 9$12,135 USD
Retailer 6$12,236 USD
Retailer 7$12,330 USD
Retailer 2$12,594 USD
Retailer 4$13,790 USD
Retailer 10$15,692 USD
NZ Jewellers$16,658 USD

13 data points across 13 retailers

13 retailers$10,236 USD to $16,658 USD

A
Cheapest Retailer
-
$10,236 USD
A
Retailer 2
-
$10,331 USD
View
A
Retailer 3
-
$10,375 USD
View
A
Retailer 4
-
$11,032 USD
View
A
Retailer 5
-
$11,032 USD
View
Final sale: no returns
A
Retailer 6
-
$11,951 USD
View
A
Retailer 7
-
$12,135 USD
View
A
Retailer 8
-
$12,236 USD
View
A
Retailer 9
-
$12,330 USD
£9,708 GBP
View
A
Retailer 10
-
$12,594 USD
€11,994 EUR
View
A
Retailer 11
-
$13,790 USD
View
A
Retailer 12
-
$15,692 USD
£12,356 GBP
View
Most Expensive
A
NZ Jewellers
c47bc7b5-2566-4fbc-8c2f-f0f2bff245f4 · Oct 30
$16,658 USD
View
12 more retailers have this diamond
Prices start from $10,236 USDSave up to $6,422 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
2.55ct Round
$10,236 USD