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Round|Natural|GIA

1.03ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 6555477999

Certificate GIA 6555477999

Diamond specifications and retailer prices

From £2,045 GBP
As of November 5, 2026
Save £666 GBP (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,711 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6555477999. Listed at 7 retailers as of October 31, 2026, with prices from £2,045 to £2,711, a £666 spread on the same certified stone. Michael Trio lists it at £2,711. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555477999
Dimensions6.40 × 6.45 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Natural
Top View
6.40 mm6.45 mm1.03 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555477999
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 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 5
Current: £2,711 GBP|Low: £2,045 GBP|High: £2,804 GBP|Avg: £2,412 GBP|-3.3%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2£2,045 GBP
Retailer 4£2,343 GBP
Retailer 5£2,386 GBP
Retailer 6£2,425 GBP
Retailer 3£2,491 GBP
Michael Trio£2,711 GBP

45 data points across 6 retailers

7 retailers£2,045 GBP to £2,711 GBP

A
Cheapest Retailer
-
£2,045 GBP
A
Retailer 2
-
£2,343 GBP
View
B+
Retailer 3
-
£2,425 GBP
View
A
Retailer 4
-
£2,491 GBP
View
B+
Retailer 5
-
£2,603 GBP
View
B+
Retailer 6
-
£2,650 GBP
View
Most Expensive
B+
Michael Trio
1318777568 · Oct 31
£2,711 GBP
SGD 4,930 SGD
View
6 more retailers have this diamond
Prices start from £2,045 GBPSave up to £666 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
£2,045 GBP