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Round|Natural|GIA

2.60ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2546188766

Certificate GIA 2546188766

Diamond specifications and retailer prices

From $20,502 AUD
As of November 5, 2026
Save $10,894 AUD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $31,396 AUD at With Clarity · As of November 4, 2026
View at With Clarity

About this 2.6ct natural round diamond

This 2.6ct 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 2546188766. Listed at 3 retailers as of November 4, 2026, with prices from $20,502 to $31,396, a $10,894 spread on the same certified stone. With Clarity lists it at $31,396. 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

2.60
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546188766
Dimensions8.82 × 8.86 × 5.43 mm
L/W Ratio1.00
Top View
8.82 mm8.86 mm2.60 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546188766
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.4%

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 5
Current: $20,502 AUD|Low: $15,798 AUD|High: $31,396 AUD|Avg: $21,199 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 5, 2026
Retailer 2$15,798 AUD
Retailer 11$17,813 AUD
Retailer 12$18,796 AUD
Retailer 10$19,875 AUD
Retailer 1$20,502 AUD
Retailer 9$20,559 AUD
Retailer 5$20,688 AUD
Retailer 8$21,242 AUD
Retailer 4$21,957 AUD
Retailer 6$22,067 AUD
Retailer 3$22,485 AUD
Retailer 7$22,659 AUD
With Clarity$31,396 AUD

5 data points across 13 retailers

3 retailers$20,502 AUD to $31,396 AUD

A
Cheapest Retailer
-
$20,502 AUD
B+
Retailer 2
-
$20,688 AUD
View
Most Expensive
B
With Clarity
2546188766 · Nov 4
$31,396 AUD
$21,978 USD
View
2 more retailers have this diamond
Prices start from $20,502 AUDSave up to $10,894 AUD

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
2.60ct Round
$20,502 AUD