Round|Natural|GIA

2.56ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5543977916

Certificate GIA 5543977916

Diamond specifications and retailer prices

From $18,957 USD
As of October 28, 2026
Save $13,422 USD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $32,379 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.56ct natural round diamond

This 2.56ct 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 GIA 5543977916. Listed at 14 retailers as of October 28, 2026, with prices from $18,957 to $32,379, a $13,422 spread on the same certified stone. MOH London lists it at $32,379. 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

2.56
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5543977916
Dimensions8.67 × 8.71 × 5.41 mm
L/W Ratio1.00
Top View
8.67 mm8.71 mm2.56 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543977916
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 28
Current: $32,379 USD|Low: $20,960 USD|High: $32,595 USD|Avg: $25,462 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$21,087 USD
Retailer 5$21,653 USD
Retailer 6$21,708 USD
Retailer 4$25,087 USD
Retailer 2$25,440 USD
Retailer 7$29,214 USD
MOH London$32,379 USD

44 data points across 7 retailers

14 retailers$18,957 USD to $32,379 USD

A
Cheapest Retailer
-
$18,957 USD
B+
Retailer 2
-
$20,622 USD
View
B+
Retailer 3
-
$21,087 USD
£16,604 GBP
View
B+
Retailer 4
-
$21,653 USD
View
B+
Retailer 5
-
$21,708 USD
View
B+
Retailer 6
-
$22,340 USD
View
B+
Retailer 7
-
$22,380 USD
View
B+
Retailer 8
-
$22,380 USD
View
B+
Retailer 9
-
$23,120 USD
View
B+
Retailer 10
-
$23,199 USD
View
B
Retailer 11
-
$25,087 USD
€23,892 EUR
View
B
Retailer 12
-
$25,440 USD
£20,031 GBP
View
B
Retailer 13
-
$29,214 USD
View
Most Expensive
B
MOH London
019A62C80 · Oct 29
$32,379 USD
£25,495 GBP
View
13 more retailers have this diamond
Prices start from $18,957 USDSave up to $13,422 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
2.56ct Round
$18,957 USD