Round|Natural|GIA

1.00ct M I1 Round Natural Diamond

EX • M/I1 • GIA 6295122397

Certificate GIA 6295122397

Diamond specifications and retailer prices

From £721 GBP
As of November 5, 2026
Save £294 GBP (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,015 GBP at B2C Jewels · As of November 4, 2026
View at B2C Jewels

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6295122397. Listed at 2 retailers as of November 4, 2026, with prices from £721 to £1,015, a £294 spread on the same certified stone. B2C Jewels lists it at £1,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6295122397
Dimensions6.33 × 6.38 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.33 mm6.38 mm1.00 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6295122397
Side View
Table 58.0%Crown 33°Girdle: STK-STKPavilion 41.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,015 GBP|Low: £721 GBP|High: £1,015 GBP|Avg: £875 GBP|+2.0%
B2C Jewels
Retailer 2
November 5, 2026
Retailer 2£721 GBP
B2C Jewels£1,015 GBP

43 data points across 2 retailers

2 retailers£721 GBP to £1,015 GBP

B+
Cheapest Retailer
-
£721 GBP
Most Expensive
B
B2C Jewels
11587935 · Nov 4
£1,015 GBP
$1,366 USD
View
1 more retailer has this diamond
Prices start from £721 GBPSave up to £294 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.

B+
1.00ct Round
£721 GBP