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Round|Natural|GIA

2.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7551086546

Certificate GIA 7551086546

Diamond specifications and retailer prices

From $10,665 USD
As of November 4, 2026
Save $8,856 USD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,521 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551086546. Listed at 13 retailers as of November 4, 2026, with prices from $10,665 to $19,521, a $8,856 spread on the same certified stone. NZ Jewellers lists it at $19,521. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551086546
Dimensions8.62 × 8.58 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Etch Channel, Indented Natural, Cavity, Feather, Needle, Crystal
Top View
8.62 mm8.58 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551086546
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.4%

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: $16,638 USD|Low: $10,665 USD|High: $18,512 USD|Avg: $14,438 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$10,665 USD
Retailer 2$12,383 USD
Retailer 7$12,884 USD
Retailer 6$12,965 USD
Retailer 4$14,709 USD
Retailer 1$16,638 USD
Retailer 3$18,243 USD

39 data points across 7 retailers

13 retailers$10,665 USD to $19,521 USD

A
Cheapest Retailer
-
$10,665 USD
A
Retailer 2
-
$10,784 USD
View
A
Retailer 3
-
$10,867 USD
View
Retailer 4
-
$11,713 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$12,383 USD
View
B+
Retailer 6
-
$12,689 USD
View
B+
Retailer 7
-
$12,884 USD
View
A
Retailer 8
-
$12,965 USD
View
B+
Retailer 9
-
$14,641 USD
View
B+
Retailer 10
-
$14,709 USD
View
B
Retailer 11
-
$16,638 USD
View
B
Retailer 12
-
$18,243 USD
View
Most Expensive
B
NZ Jewellers
b2cfbda9-8574-4130-a8b2-2325c9f92830 · Nov 5
$19,521 USD
View
12 more retailers have this diamond
Prices start from $10,665 USDSave up to $8,856 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
$10,665 USD