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Round|Natural|GIA

2.03ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 5563000258

Certificate GIA 5563000258

Diamond specifications and retailer prices

From £4,027 GBP
As of November 4, 2026
Save £3,586 GBP (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £9,436 GBP at NZ Jewellers · As of September 24, 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 very-good cut grade and certified by GIA 5563000258. Listed at 16 retailers as of November 4, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.03
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563000258
Dimensions7.85 × 7.89 × 5.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.85 mm7.89 mm2.03 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563000258
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 64.2%

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: £5,080 GBP|Low: £3,965 GBP|High: £8,180 GBP|Avg: £5,187 GBP|-6.5%
Retailer 1
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 2£4,027 GBP
Retailer 12£4,098 GBP
Retailer 11£4,328 GBP
Retailer 10£4,335 GBP
Retailer 9£4,581 GBP
Retailer 8£4,607 GBP
Retailer 4£4,909 GBP
Retailer 1£5,080 GBP
Retailer 6£5,631 GBP
Retailer 3£6,069 GBP
Retailer 5£6,291 GBP
Retailer 7£7,613 GBP

29 data points across 12 retailers

16 retailers£4,027 GBP to £7,613 GBP

A
Cheapest Retailer
-
£4,027 GBP
A
Retailer 2
-
£4,098 GBP
View
A
Retailer 3
-
£4,328 GBP
View
A
Retailer 4
-
£4,335 GBP
View
B+
Retailer 5
-
£4,581 GBP
View
Final sale: no returns
A
Retailer 6
-
£4,607 GBP
View
Retailer 7
-
£4,607 GBP
View
Price last confirmed 29 days ago
A
Retailer 8
-
£5,080 GBP
View
Retailer 9
-
£5,111 GBP
View
Price last confirmed 43 days ago
B+
Retailer 10
-
£5,220 GBP
View
B+
Retailer 11
-
£5,631 GBP
View
Retailer 12
-
£6,069 GBP
View
Price last confirmed 14 days ago
Retailer 13
-
£6,136 GBP
View
Price last confirmed 45 days ago
B+
Retailer 14
-
£6,291 GBP
View
B
Retailer 15
-
£7,613 GBP
View
Most Expensive
NZ Jewellers
cc891014-5b14-49ee-9627-6154d20291da · Sep 24
£9,436 GBP
$12,700 USD
View
Price last confirmed 42 days ago
15 more retailers have this diamond
Prices start from £4,027 GBPSave up to £3,586 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
£4,027 GBP