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Round|Natural|GIA

2.59ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 7235127829

Certificate GIA 7235127829

Diamond specifications and retailer prices

From $20,726 AUD
As of November 6, 2026
Save $6,787 AUD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $27,513 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 2.59ct natural round diamond

This 2.59ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7235127829. Listed at 6 retailers as of November 2, 2026, with prices from $20,726 to $27,513, a $6,787 spread on the same certified stone. Yorxs lists it at $27,513. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.59
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7235127829
Dimensions8.71 × 8.75 × 5.47 mm
L/W Ratio1.00
Top View
8.71 mm8.75 mm2.59 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7235127829
Side View
Table 60.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $21,807 AUD|Low: $20,726 AUD|High: $27,636 AUD|Avg: $24,040 AUD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 3$20,726 AUD
Retailer 1$21,807 AUD
Retailer 2$26,163 AUD
Yorxs$27,513 AUD

42 data points across 4 retailers

6 retailers$20,726 AUD to $27,513 AUD

B+
Cheapest Retailer
-
$20,726 AUD
B+
Retailer 2
-
$21,673 AUD
View
B+
Retailer 3
-
$21,807 AUD
View
B+
Retailer 4
-
$22,206 AUD
View
B
Retailer 5
-
$26,163 AUD
View
Most Expensive
B
Yorxs
TIM2639 · Nov 2
$27,513 AUD
€18,343 EUR
View
5 more retailers have this diamond
Prices start from $20,726 AUDSave up to $6,787 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.

B+
2.59ct Round
$20,726 AUD