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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 $18,292 SGD
As of October 30, 2026
10 retailers carry this diamond
Most expensive: $26,539 SGD 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
Colour
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: $26,539 SGD|Low: $15,316 SGD|High: $26,716 SGD|Avg: $19,478 SGD|-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$15,316 SGD
Retailer 9$16,444 SGD
Retailer 3$18,093 SGD
Retailer 5$18,292 SGD
Retailer 8$18,429 SGD
Retailer 10$19,794 SGD
Retailer 7$20,421 SGD
Retailer 2$21,295 SGD
Retailer 4$23,944 SGD
MOH London$26,539 SGD

21 data points across 10 retailers

10 retailers

Retailer 1
-
$15,316 SGD
Price last confirmed 9 days ago
Retailer 2
-
$16,444 SGD
View
Price last confirmed 8 days ago
Retailer 3
-
$18,093 SGD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$18,292 SGD
View
Retailer 5
-
$18,429 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$19,794 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$20,421 SGD
View
Price last confirmed 11 days ago
Retailer 8
-
$21,295 SGD
View
Price last confirmed 7 days ago
Retailer 9
-
$23,944 SGD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
824C0585C · Oct 29
$26,539 SGD
£16,360 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $18,292 SGD

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
$18,292 SGD