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Round|Natural|GIA

1.29ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6345625999

Certificate GIA 6345625999

Diamond specifications and retailer prices

From £2,979 GBP
As of November 4, 2026
Save £3,367 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,347 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6345625999. Listed at 15 retailers as of November 2, 2026, with prices from £2,979 to £6,347, a £3,367 spread on the same certified stone. MOH London lists it at £6,347. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6345625999
Dimensions6.94 × 6.91 × 4.33 mm
L/W Ratio1.00
Top View
6.94 mm6.91 mm1.29 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6345625999
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: £6,347 GBP|Low: £2,979 GBP|High: £6,977 GBP|Avg: £4,306 GBP|-0.1%
MOH London
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
November 5, 2026
Retailer 3£2,979 GBP
Retailer 14£3,060 GBP
Retailer 5£3,173 GBP
Retailer 15£3,579 GBP
Retailer 10£3,820 GBP
Retailer 9£3,824 GBP
Retailer 6£4,049 GBP
Retailer 12£4,049 GBP
Retailer 13£4,183 GBP
Retailer 8£4,222 GBP
Retailer 7£4,397 GBP
Retailer 4£4,631 GBP
Retailer 2£4,861 GBP
Retailer 11£5,769 GBP
MOH London£6,347 GBP

38 data points across 15 retailers

15 retailers£2,979 GBP to £6,347 GBP

A
Cheapest Retailer
-
£2,979 GBP
A
Retailer 2
-
£3,060 GBP
View
A
Retailer 3
-
£3,173 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,579 GBP
View
B+
Retailer 5
-
£3,820 GBP
View
B+
Retailer 6
-
£3,824 GBP
View
B+
Retailer 7
-
£4,049 GBP
View
B+
Retailer 8
-
£4,049 GBP
View
B+
Retailer 9
-
£4,183 GBP
View
B+
Retailer 10
-
£4,222 GBP
View
Retailer 11
-
£4,397 GBP
View
Price last confirmed 22 days ago
B+
Retailer 12
-
£4,631 GBP
View
B+
Retailer 13
-
£4,861 GBP
View
B
Retailer 14
-
£5,769 GBP
View
Most Expensive
B
MOH London
02B798A7B · Nov 2
£6,347 GBP
View
14 more retailers have this diamond
Prices start from £2,979 GBPSave up to £3,367 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
1.29ct Round
£2,979 GBP