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Round|Natural|GIA

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1553891998

Certificate GIA 1553891998

Diamond specifications and retailer prices

From £1,488 GBP
As of November 4, 2026
Save £1,335 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,823 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1553891998. Listed at 8 retailers as of November 2, 2026, with prices from £1,488 to £2,823, a £1,335 spread on the same certified stone. With Clarity lists it at £2,823. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1553891998
Dimensions6.42 × 6.45 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.42 mm6.45 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553891998
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.1%

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: £1,545 GBP|Low: £1,470 GBP|High: £2,858 GBP|Avg: £1,999 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 3, 2026
Retailer 3£1,488 GBP
Retailer 1£1,545 GBP
Retailer 4£1,676 GBP
Retailer 6£1,801 GBP
Retailer 5£2,037 GBP
Retailer 7£2,086 GBP
Retailer 2£2,433 GBP
With Clarity£2,797 GBP

27 data points across 8 retailers

8 retailers£1,488 GBP to £2,823 GBP

A
Cheapest Retailer
-
£1,488 GBP
A
Retailer 2
-
£1,545 GBP
View
A
Retailer 3
-
£1,676 GBP
View
A
Retailer 4
-
£1,801 GBP
View
A
Retailer 5
-
£2,037 GBP
View
Retailer 6
-
£2,086 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£2,433 GBP
View
Most Expensive
B+
With Clarity
1553891998 · Nov 2
£2,823 GBP
$3,811 USD
View
7 more retailers have this diamond
Prices start from £1,488 GBPSave up to £1,335 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
1.03ct Round
£1,488 GBP