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2.54ct I SI2 Round Natural Diamond

VG • I/SI2 • IGI F1R18435

Shape and cutting style on the report: Round brilliant

Certificate IGI F1R18435

Diamond specifications and retailer prices

From $17,923 USD
As of October 28, 2026
Save $9,810 USD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $27,733 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.54ct natural round diamond

This 2.54ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI F1R18435. Listed at 5 retailers as of October 28, 2026, with prices from $17,923 to $27,733, a $9,810 spread on the same certified stone. MOH London lists it at $27,733. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.54
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI F1R18435
Dimensions8.46 × 8.51 × 5.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.46 mm8.51 mm2.54 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI F1R18435
Side View
Table 57.5%Crown 37°GirdlePavilion 40.7°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $27,733 USD|Low: $17,239 USD|High: $27,917 USD|Avg: $20,840 USD|+2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 6$17,239 USD
Retailer 3$17,923 USD
Retailer 5$18,868 USD
Retailer 4$19,496 USD
Retailer 2$21,487 USD
Retailer 7$23,128 USD
MOH London$27,733 USD

39 data points across 7 retailers

5 retailers$17,923 USD to $27,733 USD

B+
Cheapest Retailer
-
$17,923 USD
B+
Retailer 2
-
$18,868 USD
View
B+
Retailer 3
-
$19,496 USD
View
B+
Retailer 4
-
$21,487 USD
€20,464 EUR
View
Most Expensive
B
MOH London
1F9522772 · Oct 29
$27,733 USD
£21,837 GBP
View
4 more retailers have this diamond
Prices start from $17,923 USDSave up to $9,810 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.

B+
2.54ct Round
$17,923 USD