Round|Natural|GIA

2.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1568303599

Certificate GIA 1568303599

Diamond specifications and retailer prices

From $10,249 USD
As of November 5, 2026
Save $9,268 USD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,517 USD at With Clarity · As of November 4, 2026
View at With Clarity

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 1568303599. Listed at 11 retailers as of November 4, 2026, with prices from $10,249 to $19,517, a $9,268 spread on the same certified stone. With Clarity lists it at $19,517. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1568303599
Dimensions8.63 × 8.59 × 5.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.63 mm8.59 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568303599
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.7%

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: $13,794 USD|Low: $10,192 USD|High: $19,127 USD|Avg: $13,147 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 5, 2026
Retailer 3$10,249 USD
Retailer 2$10,892 USD
Retailer 4$11,700 USD
Retailer 8$11,766 USD
Retailer 10$11,819 USD
Retailer 6$12,038 USD
Retailer 1$13,794 USD
Retailer 9$13,802 USD
Retailer 5$13,905 USD
Retailer 7$14,380 USD
With Clarity$19,127 USD

26 data points across 11 retailers

11 retailers$10,249 USD to $19,517 USD

A
Cheapest Retailer
-
$10,249 USD
A
Retailer 2
-
$10,892 USD
View
A
Retailer 3
-
$11,700 USD
View
A
Retailer 4
-
$11,766 USD
View
A
Retailer 5
-
$11,819 USD
View
A
Retailer 6
-
$12,038 USD
View
B+
Retailer 7
-
$13,794 USD
View
B+
Retailer 8
-
$13,802 USD
View
B+
Retailer 9
-
$13,905 USD
View
B+
Retailer 10
-
$14,380 USD
View
Most Expensive
B
With Clarity
1568303599 · Nov 4
$19,517 USD
View
10 more retailers have this diamond
Prices start from $10,249 USDSave up to $9,268 USD

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
$10,249 USD