Round|Natural|GIA

2.09ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6545936782

Certificate GIA 6545936782

Diamond specifications and retailer prices

From £6,531 GBP
As of November 5, 2026
Save £5,659 GBP (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £12,189 GBP at NZ Jewellers · As of November 2, 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 6545936782. Listed at 8 retailers as of November 2, 2026, with prices from £6,531 to £12,189, a £5,659 spread on the same certified stone. NZ Jewellers lists it at £12,189. 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
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545936782
Dimensions8.15 × 8.20 × 5.02 mm
L/W Ratio1.01
Top View
8.15 mm8.20 mm2.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545936782
Side View
Table 58.0%Crown 35°GirdlePavilion 40.6°CuletDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £12,189 GBP|Low: £6,302 GBP|High: £12,189 GBP|Avg: £8,140 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£6,302 GBP
Retailer 10£6,531 GBP
Retailer 9£6,672 GBP
Retailer 5£7,012 GBP
Retailer 8£7,288 GBP
Retailer 7£7,400 GBP
Retailer 4£7,639 GBP
Retailer 12£7,909 GBP
Retailer 2£8,290 GBP
Retailer 3£9,151 GBP
Retailer 6£10,157 GBP
NZ Jewellers£12,189 GBP

39 data points across 12 retailers

8 retailers£6,531 GBP to £12,189 GBP

B+
Cheapest Retailer
-
£6,531 GBP
B+
Retailer 2
-
£6,672 GBP
View
B+
Retailer 3
-
£7,012 GBP
View
B+
Retailer 4
-
£7,288 GBP
View
B+
Retailer 5
-
£7,400 GBP
View
B
Retailer 6
-
£8,290 GBP
View
B
Retailer 7
-
£10,157 GBP
View
Most Expensive
B
NZ Jewellers
fed55c6e-f6ae-4b80-9ead-acc254189b56 · Nov 2
£12,189 GBP
$16,406 USD
View
7 more retailers have this diamond
Prices start from £6,531 GBPSave up to £5,659 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+
2.09ct Round
£6,531 GBP