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Round|Natural|GIA

2.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566115754

Certificate GIA 2566115754

Diamond specifications and retailer prices

From £5,565 GBP
As of November 4, 2026
Save £5,945 GBP (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,510 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.03ct natural round diamond

This 2.03ct 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 2566115754. Listed at 17 retailers as of November 4, 2026, with prices from £5,565 to £11,510, a £5,945 spread on the same certified stone. NZ Jewellers lists it at £11,510. 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

2.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566115754
Dimensions8.08 × 8.01 × 5.01 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.08 mm8.01 mm2.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566115754
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NDepth 62.3%

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: £11,510 GBP|Low: £5,565 GBP|High: £11,828 GBP|Avg: £7,314 GBP|-1.8%
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
November 6, 2026
Retailer 9£5,565 GBP
Retailer 13£5,948 GBP
Retailer 5£5,988 GBP
Retailer 10£6,277 GBP
Retailer 17£6,312 GBP
Retailer 16£6,353 GBP
Retailer 6£6,367 GBP
Retailer 2£6,586 GBP
Retailer 4£6,882 GBP
Retailer 3£6,988 GBP
Retailer 15£7,034 GBP
Retailer 7£7,070 GBP
Retailer 12£7,462 GBP
Retailer 11£7,902 GBP
Retailer 8£7,941 GBP
Retailer 14£9,565 GBP
NZ Jewellers£11,510 GBP

23 data points across 17 retailers

17 retailers£5,565 GBP to £11,510 GBP

A
Cheapest Retailer
-
£5,565 GBP
A
Retailer 2
-
£5,948 GBP
View
A
Retailer 3
-
£5,988 GBP
View
A
Retailer 4
-
£6,277 GBP
View
B+
Retailer 5
-
£6,312 GBP
View
Retailer 6
-
£6,353 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£6,367 GBP
View
B+
Retailer 8
-
£6,586 GBP
View
B+
Retailer 9
-
£6,882 GBP
View
B+
Retailer 10
-
£6,988 GBP
View
B+
Retailer 11
-
£7,034 GBP
View
B+
Retailer 12
-
£7,070 GBP
View
B+
Retailer 13
-
£7,462 GBP
View
B+
Retailer 14
-
£7,902 GBP
View
B+
Retailer 15
-
£7,941 GBP
View
B
Retailer 16
-
£9,565 GBP
View
Most Expensive
B
NZ Jewellers
474f46b6-cd8a-4333-bf09-a189eb8e84ef · Nov 5
£11,510 GBP
$15,492 USD
View
16 more retailers have this diamond
Prices start from £5,565 GBPSave up to £5,945 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
2.03ct Round
£5,565 GBP