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Oval|Natural|GIA

1.20ct M SI1 Oval Natural Diamond

M/SI1 • GIA 6525720027

Certificate GIA 6525720027

Diamond specifications and retailer prices

From £706 GBP
As of November 6, 2026
Save £268 GBP (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £974 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 6525720027. Listed at 2 retailers as of November 6, 2026, with prices from £706 to £974, a £268 spread on the same certified stone. Yorxs lists it at £974. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6525720027
Dimensions8.32 × 5.88 × 3.73 mm
L/W Ratio1.41
Top View
8.32 mm5.88 mm1.20 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6525720027
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £706 GBP|Low: £533 GBP|High: £1,263 GBP|Avg: £868 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 5£533 GBP
Retailer 1£706 GBP
Retailer 4£944 GBP
Yorxs£974 GBP
Retailer 3£997 GBP
Retailer 2£1,041 GBP

16 data points across 6 retailers

2 retailers£706 GBP to £974 GBP

B+
Cheapest Retailer
-
£706 GBP
Most Expensive
B+
Yorxs
516040191 · Nov 6
£974 GBP
€1,242 EUR
View
1 more retailer has this diamond
Prices start from £706 GBPSave up to £268 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+
1.20ct Oval
£706 GBP