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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1558779805

Certificate GIA 1558779805

Diamond specifications and retailer prices

From $10,157 SGD
As of November 5, 2026
Save $8,087 SGD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,245 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558779805. Listed at 14 retailers as of November 4, 2026, with prices from $10,157 to $18,245, a $8,087 spread on the same certified stone. MOH London lists it at $18,245. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558779805
Dimensions8.59 × 8.65 × 5.43 mm
L/W Ratio1.01
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
8.59 mm8.65 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558779805
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.0%

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 5
Current: $18,245 SGD|Low: $10,157 SGD|High: $18,245 SGD|Avg: $13,373 SGD|+6.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$10,157 SGD
Retailer 6$11,996 SGD
Retailer 4$12,601 SGD
Retailer 8$13,649 SGD
Retailer 3$14,331 SGD
Retailer 7$14,545 SGD
Retailer 2$16,638 SGD
MOH London$18,245 SGD

32 data points across 8 retailers

14 retailers$10,157 SGD to $18,245 SGD

A
Cheapest Retailer
-
$10,157 SGD
Retailer 2
-
$11,454 SGD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$11,996 SGD
View
Retailer 4
-
$12,008 SGD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$12,601 SGD
View
Retailer 6
-
$13,008 SGD
View
Price last confirmed 29 days ago
Retailer 7
-
$13,459 SGD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$13,649 SGD
View
B+
Retailer 9
-
$14,331 SGD
View
B+
Retailer 10
-
$14,545 SGD
View
Retailer 11
-
$15,010 SGD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$16,638 SGD
View
Retailer 13
-
$18,130 SGD
View
Price last confirmed 34 days ago
Most Expensive
B+
MOH London
CBA3A498F · Nov 4
$18,245 SGD
£11,247 GBP
View
13 more retailers have this diamond
Prices start from $10,157 SGDSave up to $8,087 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
$10,157 SGD