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Round|Natural|GIA

2.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246052812

Certificate GIA 1246052812

Diamond specifications and retailer prices

From £4,964 GBP
As of November 4, 2026
Save £6,499 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,463 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.09ct natural round diamond

This 2.09ct 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 1246052812. Listed at 17 retailers as of November 4, 2026, with prices from £4,964 to £11,463, a £6,499 spread on the same certified stone. NZ Jewellers lists it at £11,463. 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

2.09
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246052812
Dimensions8.15 × 8.18 × 4.98 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.15 mm8.18 mm2.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1246052812
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.0%

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: £11,463 GBP|Low: £4,803 GBP|High: £11,463 GBP|Avg: £6,562 GBP|+2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 15£4,964 GBP
Retailer 17£5,026 GBP
Retailer 18£5,139 GBP
Retailer 16£5,451 GBP
Retailer 5£5,467 GBP
Retailer 11£5,559 GBP
Retailer 6£5,565 GBP
Retailer 3£5,714 GBP
Retailer 8£5,731 GBP
Retailer 19£5,837 GBP
Retailer 13£5,879 GBP
Retailer 2£6,558 GBP
Retailer 4£6,572 GBP
Retailer 9£6,840 GBP
Retailer 7£7,139 GBP
Retailer 10£7,153 GBP
Retailer 12£7,869 GBP
Retailer 14£9,525 GBP
NZ Jewellers£11,463 GBP

21 data points across 19 retailers

17 retailers£4,964 GBP to £11,463 GBP

A
Cheapest Retailer
-
£4,964 GBP
A
Retailer 2
-
£5,026 GBP
View
A
Retailer 3
-
£5,139 GBP
View
A
Retailer 4
-
£5,451 GBP
View
A
Retailer 5
-
£5,467 GBP
View
Retailer 6
-
£5,559 GBP
View
Price last confirmed 26 days ago
A
Retailer 7
-
£5,565 GBP
View
A
Retailer 8
-
£5,714 GBP
View
A
Retailer 9
-
£5,731 GBP
View
Final sale: no returns
A
Retailer 10
-
£5,837 GBP
View
A
Retailer 11
-
£5,879 GBP
View
B+
Retailer 12
-
£6,558 GBP
View
B+
Retailer 13
-
£6,572 GBP
View
B+
Retailer 14
-
£7,139 GBP
View
B+
Retailer 15
-
£7,869 GBP
View
B
Retailer 16
-
£9,525 GBP
View
Most Expensive
B
NZ Jewellers
2f486ea0-938c-4e0e-9dfe-cd86bcc1a980 · Nov 5
£11,463 GBP
$15,428 USD
View
16 more retailers have this diamond
Prices start from £4,964 GBPSave up to £6,499 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.

A
2.09ct Round
£4,964 GBP