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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566441759

Certificate GIA 2566441759

Diamond specifications and retailer prices

From $14,321 USD
As of October 30, 2026
10 retailers carry this diamond
Most expensive: $20,777 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566441759. Listed at 10 retailers as of October 30, 2026. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566441759
Dimensions8.70 × 8.78 × 5.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
8.70 mm8.78 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566441759
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $20,777 USD|Low: $11,991 USD|High: $20,916 USD|Avg: $15,250 USD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$11,991 USD
Retailer 9$12,874 USD
Retailer 3$14,165 USD
Retailer 5$14,321 USD
Retailer 8$14,428 USD
Retailer 10$15,497 USD
Retailer 7$15,988 USD
Retailer 2$16,672 USD
Retailer 4$18,746 USD
MOH London$20,777 USD

21 data points across 10 retailers

10 retailers

Retailer 1
-
$11,991 USD
Price last confirmed 9 days ago
Retailer 2
-
$12,874 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$14,165 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$14,321 USD
View
Retailer 5
-
$14,428 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$15,497 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$15,988 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$16,672 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$18,746 USD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
824C0585C · Oct 29
$20,777 USD
£16,360 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $14,321 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+
2.50ct Round
$14,321 USD