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Round|Natural|GIA

2.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565115501

Certificate GIA 6565115501

Diamond specifications and retailer prices

From $23,003 USD
As of October 29, 2026
Save $12,888 USD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $35,891 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.55ct natural round diamond

This 2.55ct 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 GIA 6565115501. Listed at 6 retailers as of October 26, 2026, with prices from $23,003 to $35,891, a $12,888 spread on the same certified stone. MOH London lists it at $35,891. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565115501
Dimensions8.66 × 8.70 × 5.44 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
8.66 mm8.70 mm2.55 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565115501
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.8°Culet: NoneDepth 62.6%

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 29
Current: $35,891 USD|Low: $23,003 USD|High: $37,153 USD|Avg: $29,779 USD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 6$23,003 USD
Retailer 2$26,552 USD
Retailer 4$26,600 USD
Retailer 5$27,444 USD
Retailer 3$32,514 USD
Retailer 7$33,522 USD
MOH London$35,891 USD

20 data points across 7 retailers

6 retailers$23,003 USD to $35,891 USD

A
Cheapest Retailer
-
$23,003 USD
B+
Retailer 2
-
$26,552 USD
£20,907 GBP
View
B+
Retailer 3
-
$26,600 USD
View
B+
Retailer 4
-
$27,444 USD
View
B+
Retailer 5
-
$32,514 USD
View
Most Expensive
B
MOH London
957327F57 · Oct 26
$35,891 USD
£28,261 GBP
View
5 more retailers have this diamond
Prices start from $23,003 USDSave up to $12,888 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
$23,003 USD