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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6555439015

Certificate GIA 6555439015

Diamond specifications and retailer prices

From $15,283 SGD
As of November 6, 2026
Save $8,675 SGD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,958 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6555439015. Listed at 11 retailers as of November 5, 2026, with prices from $15,283 to $23,958, a $8,675 spread on the same certified stone. NZ Jewellers lists it at $23,958. 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
OriginNatural
Grading LabGIA
CertificateGIA 6555439015
Dimensions8.65 × 8.71 × 5.36 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.65 mm8.71 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555439015
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.8%

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: Nov 6
Current: $23,958 SGD|Low: $15,283 SGD|High: $23,958 SGD|Avg: $18,255 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$15,283 SGD
Retailer 9$15,868 SGD
Retailer 8$15,870 SGD
Retailer 2$16,449 SGD
Retailer 3$16,926 SGD
Retailer 11$17,190 SGD
Retailer 10$17,850 SGD
Retailer 6$17,973 SGD
Retailer 4$19,738 SGD
Retailer 7$22,390 SGD
NZ Jewellers$23,958 SGD

29 data points across 11 retailers

11 retailers$15,283 SGD to $23,958 SGD

A
Cheapest Retailer
-
$15,283 SGD
Retailer 2
-
$15,868 SGD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$15,870 SGD
View
A
Retailer 4
-
$16,449 SGD
View
B+
Retailer 5
-
$16,926 SGD
View
B+
Retailer 6
-
$17,190 SGD
View
B+
Retailer 7
-
$17,850 SGD
View
B+
Retailer 8
-
$17,973 SGD
View
B+
Retailer 9
-
$19,738 SGD
View
B
Retailer 10
-
$22,390 SGD
View
Most Expensive
B
NZ Jewellers
cc57180c-0f92-4f30-aad4-34c218e72643 · Nov 5
$23,958 SGD
$18,757 USD
View
10 more retailers have this diamond
Prices start from $15,283 SGDSave up to $8,675 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
$15,283 SGD