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Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561216159

Certificate GIA 6561216159

Diamond specifications and retailer prices

From $10,968 SGD
As of November 4, 2026
Save $9,997 SGD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,966 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 6561216159. Listed at 17 retailers as of November 4, 2026, with prices from $10,968 to $20,966, a $9,997 spread on the same certified stone. NZ Jewellers lists it at $20,966. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561216159
Dimensions8.61 × 8.66 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Crystal, Needle
Top View
8.61 mm8.66 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561216159
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.6%

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 4
Current: $14,395 SGD|Low: $10,953 SGD|High: $19,882 SGD|Avg: $15,089 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$10,968 SGD
Retailer 4$13,544 SGD
Retailer 7$14,338 SGD
Retailer 1$14,395 SGD
Retailer 3$15,050 SGD
Retailer 2$17,273 SGD
Retailer 5$19,594 SGD

29 data points across 7 retailers

17 retailers$10,968 SGD to $20,966 SGD

A
Cheapest Retailer
-
$10,968 SGD
A
Retailer 2
-
$12,883 SGD
View
A
Retailer 3
-
$13,209 SGD
View
A
Retailer 4
-
$13,544 SGD
View
A
Retailer 5
-
$13,705 SGD
View
Retailer 6
-
$13,886 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$14,057 SGD
View
A
Retailer 8
-
$14,338 SGD
View
A
Retailer 9
-
$14,395 SGD
View
A
Retailer 10
-
$15,043 SGD
View
A
Retailer 11
-
$15,050 SGD
View
A
Retailer 12
-
$15,274 SGD
View
A
Retailer 13
-
$15,398 SGD
View
B+
Retailer 14
-
$17,273 SGD
View
B+
Retailer 15
-
$17,357 SGD
View
B+
Retailer 16
-
$19,594 SGD
View
Most Expensive
B
NZ Jewellers
d27d4636-6f5d-43e4-a4e7-2bc26c05caff · Nov 5
$20,966 SGD
$16,414 USD
View
16 more retailers have this diamond
Prices start from $10,968 SGDSave up to $9,997 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
$10,968 SGD