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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 £10,780 GBP
As of November 4, 2026
Save £3,530 GBP (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £14,310 GBP 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 £10,780 to £14,310, a £3,530 spread on the same certified stone. Yorxs lists it at £14,310. 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 4
Current: £11,342 GBP|Low: £10,780 GBP|High: £14,374 GBP|Avg: £12,504 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 3£10,780 GBP
Retailer 1£11,342 GBP
Retailer 2£13,608 GBP
Yorxs£14,310 GBP

42 data points across 4 retailers

6 retailers£10,780 GBP to £14,310 GBP

B+
Cheapest Retailer
-
£10,780 GBP
B+
Retailer 2
-
£11,273 GBP
View
B+
Retailer 3
-
£11,342 GBP
View
B+
Retailer 4
-
£11,550 GBP
View
B
Retailer 5
-
£13,608 GBP
View
Most Expensive
B
Yorxs
TIM2639 · Nov 2
£14,310 GBP
€18,343 EUR
View
5 more retailers have this diamond
Prices start from £10,780 GBPSave up to £3,530 GBP

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
£10,780 GBP