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Oval|Natural|GIA

1.20ct G SI1 Oval Natural Diamond

VG • G/SI1 • GIA 7566655106

Certificate GIA 7566655106

Diamond specifications and retailer prices

From £2,681 GBP
As of November 6, 2026
Save £3,177 GBP (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,858 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7566655106. Listed at 23 retailers as of November 5, 2026, with prices from £2,681 to £5,858, a £3,177 spread on the same certified stone. NZ Jewellers lists it at £5,858. 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
G
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.6°
OriginNatural
Grading LabGIA
CertificateGIA 7566655106
Dimensions8.46 × 6.05 × 3.63 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Top View
8.46 mm6.05 mm1.20 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566655106
Side View
Table 60.0%Crown 36.5°Girdle: MED-THKPavilion 35.6°Culet: NDepth 60.0%

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: £5,858 GBP|Low: £2,448 GBP|High: £5,858 GBP|Avg: £3,335 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
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Retailer 22
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Retailer 25
November 6, 2026
Retailer 17£2,448 GBP
Retailer 12£2,518 GBP
Retailer 2£2,681 GBP
Retailer 4£2,787 GBP
Retailer 6£2,812 GBP
Retailer 13£2,861 GBP
Retailer 25£2,903 GBP
Retailer 14£3,001 GBP
Retailer 15£3,034 GBP
Retailer 9£3,046 GBP
Retailer 8£3,236 GBP
Retailer 20£3,262 GBP
Retailer 16£3,310 GBP
Retailer 21£3,347 GBP
Retailer 24£3,406 GBP
Retailer 7£3,437 GBP
Retailer 10£3,437 GBP
Retailer 11£3,513 GBP
Retailer 5£3,515 GBP
Retailer 23£3,526 GBP
Retailer 22£3,549 GBP
Retailer 19£3,997 GBP
Retailer 3£4,102 GBP
Retailer 18£5,278 GBP
NZ Jewellers£5,858 GBP

6 data points across 25 retailers

23 retailers£2,681 GBP to £5,858 GBP

Retailer 1
-
£2,448 GBP
Price last confirmed 9 days ago
Retailer 2
-
£2,518 GBP
View
Price last confirmed 11 days ago
B+
Retailer 3
-
£2,681 GBP
View
B+
Retailer 4
-
£2,787 GBP
View
B
Retailer 5
-
£2,812 GBP
View
Final sale: no returns
B
Retailer 6
-
£2,861 GBP
View
B+
Retailer 7
-
£2,903 GBP
View
B+
Retailer 8
-
£3,046 GBP
View
B
Retailer 9
-
£3,236 GBP
View
B
Retailer 10
-
£3,262 GBP
View
Retailer 11
-
£3,310 GBP
View
Price last confirmed 12 days ago
B
Retailer 12
-
£3,347 GBP
View
B
Retailer 13
-
£3,406 GBP
View
B
Retailer 14
-
£3,437 GBP
View
B
Retailer 15
-
£3,437 GBP
View
Retailer 16
-
£3,513 GBP
View
Price last confirmed 11 days ago
B
Retailer 17
-
£3,515 GBP
View
B
Retailer 18
-
£3,526 GBP
View
B
Retailer 19
-
£3,549 GBP
View
B
Retailer 20
-
£3,997 GBP
View
B
Retailer 21
-
£4,102 GBP
View
Retailer 22
-
£5,278 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
3c26a7d0-49e6-465b-998a-119711bb3ca6 · Nov 5
£5,858 GBP
$7,841 USD
View
22 more retailers have this diamond
Prices start from £2,681 GBPSave up to £3,177 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
£2,681 GBP