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Round|Natural|GIA

1.00ct M I1 Round Natural Diamond

EX • M/I1 • GIA 1529265769

Certificate GIA 1529265769

Diamond specifications and retailer prices

From £689 GBP
As of October 31, 2026
Save £584 GBP (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,272 GBP at Yorxs · As of November 5, 2026
View at Yorxs

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 1529265769. Listed at 3 retailers as of October 31, 2026, with prices from £689 to £1,272, a £584 spread on the same certified stone. Yorxs lists it at £1,272. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1529265769
Dimensions6.36 × 6.40 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.36 mm6.40 mm1.00 ctM / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1529265769
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £689 GBP|Low: £687 GBP|High: £1,282 GBP|Avg: £971 GBP|-2.6%
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1£689 GBP
Retailer 2£942 GBP
Yorxs£1,272 GBP

37 data points across 3 retailers

3 retailers£689 GBP to £1,272 GBP

B+
Cheapest Retailer
-
£689 GBP
B
Retailer 2
-
£942 GBP
View
Most Expensive
B
Yorxs
8835CC2F4 · Nov 5
£1,272 GBP
€1,631 EUR
View
2 more retailers have this diamond
Prices start from £689 GBPSave up to £584 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
£689 GBP