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Oval|Natural|GIA

1.20ct M SI1 Oval Natural Diamond

EX • M/SI1 • GIA 7551063237

Certificate GIA 7551063237

Diamond specifications and retailer prices

From £564 GBP
As of November 6, 2026
Save £1,798 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,362 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551063237. Listed at 15 retailers as of November 5, 2026, with prices from £564 to £2,362, a £1,798 spread on the same certified stone. NZ Jewellers lists it at £2,362. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551063237
Dimensions8.48 × 5.84 × 3.58 mm
L/W Ratio1.45
Top View
8.48 mm5.84 mm1.20 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551063237
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,362 GBP|Low: £564 GBP|High: £2,362 GBP|Avg: £962 GBP|+13.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12£564 GBP
Retailer 10£737 GBP
Retailer 2£740 GBP
Retailer 7£753 GBP
Retailer 4£778 GBP
Retailer 11£782 GBP
Retailer 5£847 GBP
Retailer 6£853 GBP
Retailer 9£863 GBP
Retailer 13£870 GBP
Retailer 8£919 GBP
Retailer 3£1,091 GBP
NZ Jewellers£2,362 GBP

34 data points across 13 retailers

15 retailers£564 GBP to £2,362 GBP

A
Cheapest Retailer
-
£564 GBP
A
Retailer 2
-
£737 GBP
View
A
Retailer 3
-
£740 GBP
View
A
Retailer 4
-
£753 GBP
View
Retailer 5
-
£778 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£782 GBP
View
Retailer 7
-
£826 GBP
View
Price last confirmed 29 days ago
A
Retailer 8
-
£847 GBP
View
A
Retailer 9
-
£853 GBP
View
A
Retailer 10
-
£863 GBP
View
A
Retailer 11
-
£870 GBP
View
A
Retailer 12
-
£919 GBP
View
B+
Retailer 13
-
£1,091 GBP
View
Retailer 14
-
£2,016 GBP
View
Price last confirmed 38 days ago
Most Expensive
C
NZ Jewellers
f24f6859-fe88-481c-94d4-a131d283ea0f · Nov 5
£2,362 GBP
$3,162 USD
View
14 more retailers have this diamond
Prices start from £564 GBPSave up to £1,798 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
1.20ct Oval
£564 GBP