Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5241077354

Certificate GIA 5241077354

Diamond specifications and retailer prices

From $12,268 USD
As of November 4, 2026
Save $7,683 USD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $19,951 USD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241077354. Listed at 8 retailers as of November 2, 2026, with prices from $12,268 to $19,951, a $7,683 spread on the same certified stone. NZ Jewellers lists it at $19,951. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5241077354
Dimensions8.57 × 8.62 × 5.39 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Knot, Cavity, Cloud, Pinpoint
Top View
8.57 mm8.62 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241077354
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 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 4
Current: $19,951 USD|Low: $12,268 USD|High: $20,581 USD|Avg: $16,229 USD|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$12,268 USD
Retailer 5$14,094 USD
Retailer 6$14,187 USD
Retailer 7$14,315 USD
Retailer 2$16,404 USD
Retailer 3$17,097 USD
Retailer 4$18,695 USD
NZ Jewellers$19,951 USD

41 data points across 8 retailers

8 retailers$12,268 USD to $19,951 USD

A
Cheapest Retailer
-
$12,268 USD
B+
Retailer 2
-
$14,094 USD
View
B+
Retailer 3
-
$14,187 USD
View
B+
Retailer 4
-
$14,315 USD
View
B+
Retailer 5
-
$16,404 USD
View
B
Retailer 6
-
$17,097 USD
View
B
Retailer 7
-
$18,695 USD
View
Most Expensive
B
NZ Jewellers
8ccd8710-fc5c-49f2-af21-3f1a8450c1bf · Nov 2
$19,951 USD
View
7 more retailers have this diamond
Prices start from $12,268 USDSave up to $7,683 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
$12,268 USD