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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6545080169

Certificate GIA 6545080169

Diamond specifications and retailer prices

From $6,426 USD
As of November 5, 2026
Save $1,977 USD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,403 USD at GemTrove · As of November 6, 2026
View at GemTrove

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 6545080169. Listed at 5 retailers as of November 5, 2026, with prices from $6,426 to $8,403, a $1,977 spread on the same certified stone. GemTrove lists it at $8,403. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545080169
Dimensions8.64 × 8.68 × 5.43 mm
L/W Ratio1.00
Top View
8.64 mm8.68 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545080169
Side View
Table 54.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 5
Current: $8,403 USD|Low: $6,343 USD|High: $9,584 USD|Avg: $7,636 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$6,426 USD
Retailer 3$6,679 USD
Retailer 4$6,883 USD
Retailer 5$7,166 USD
GemTrove$8,403 USD
Retailer 6$9,584 USD

45 data points across 6 retailers

5 retailers$6,426 USD to $8,403 USD

A
Cheapest Retailer
-
$6,426 USD
A
Retailer 2
-
$6,679 USD
View
A
Retailer 3
-
$6,883 USD
View
A
Retailer 4
-
$7,166 USD
View
Final sale: no returns
Most Expensive
B+
GemTrove
GT-N-01368626-98 · Nov 6
$8,403 USD
A$12,928 AUD
View
4 more retailers have this diamond
Prices start from $6,426 USDSave up to $1,977 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
$6,426 USD