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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6551502523

Certificate GIA 6551502523

Diamond specifications and retailer prices

From $16,309 SGD
As of November 6, 2026
Save $8,879 SGD (35%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $25,187 SGD at MOH London · As of November 4, 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 6551502523. Listed at 8 retailers as of November 4, 2026, with prices from $16,309 to $25,187, a $8,879 spread on the same certified stone. MOH London lists it at $25,187. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551502523
Dimensions8.53 × 8.60 × 5.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
8.53 mm8.60 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551502523
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $25,187 SGD|Low: $16,964 SGD|High: $25,559 SGD|Avg: $20,413 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$16,965 SGD
Retailer 2$18,504 SGD
Retailer 5$19,076 SGD
Retailer 3$22,205 SGD
MOH London$25,187 SGD

38 data points across 5 retailers

8 retailers$16,309 SGD to $25,187 SGD

A
Cheapest Retailer
-
$16,309 SGD
A
Retailer 2
-
$16,965 SGD
View
B+
Retailer 3
-
$17,316 SGD
View
B+
Retailer 4
-
$18,504 SGD
View
B+
Retailer 5
-
$19,076 SGD
View
B
Retailer 6
-
$22,205 SGD
View
B
Retailer 7
-
$22,908 SGD
View
Most Expensive
B
MOH London
31C40BC0C · Nov 4
$25,187 SGD
£15,527 GBP
View
7 more retailers have this diamond
Prices start from $16,309 SGDSave up to $8,879 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.

A
2.50ct Round
$16,309 SGD