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Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 6561379406

Certificate GIA 6561379406

Diamond specifications and retailer prices

From £1,500 GBP
As of November 4, 2026
Save £2,711 GBP (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,211 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561379406. Listed at 18 retailers as of November 4, 2026, with prices from £1,500 to £4,211, a £2,711 spread on the same certified stone. NZ Jewellers lists it at £4,211. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561379406
Dimensions8.20 × 5.85 × 3.72 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.20 mm5.85 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561379406
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £4,211 GBP|Low: £1,415 GBP|High: £4,251 GBP|Avg: £2,200 GBP|+0.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 8£1,500 GBP
Retailer 4£1,501 GBP
Retailer 15£1,550 GBP
Retailer 16£1,640 GBP
Retailer 13£1,685 GBP
Retailer 9£1,721 GBP
Retailer 14£1,752 GBP
Retailer 6£1,872 GBP
Retailer 3£1,913 GBP
Retailer 11£1,926 GBP
Retailer 10£1,980 GBP
Retailer 2£1,981 GBP
Retailer 18£1,988 GBP
Retailer 7£2,539 GBP
Retailer 5£2,846 GBP
Retailer 17£3,009 GBP
Retailer 12£3,553 GBP
NZ Jewellers£4,211 GBP

25 data points across 18 retailers

18 retailers£1,500 GBP to £4,211 GBP

A
Cheapest Retailer
-
£1,500 GBP
A
Retailer 2
-
£1,501 GBP
View
A
Retailer 3
-
£1,550 GBP
View
A
Retailer 4
-
£1,640 GBP
View
A
Retailer 5
-
£1,685 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,721 GBP
View
A
Retailer 7
-
£1,752 GBP
View
A
Retailer 8
-
£1,872 GBP
View
A
Retailer 9
-
£1,913 GBP
View
B+
Retailer 10
-
£1,926 GBP
View
Retailer 11
-
£1,980 GBP
View
Price last confirmed 18 days ago
A
Retailer 12
-
£1,981 GBP
View
A
Retailer 13
-
£1,988 GBP
View
B
Retailer 14
-
£2,539 GBP
View
B+
Retailer 15
-
£2,846 GBP
View
B
Retailer 16
-
£3,009 GBP
View
B
Retailer 17
-
£3,553 GBP
View
Most Expensive
B
NZ Jewellers
0a138074-d3cb-47c3-97fc-316e701a74cd · Nov 5
£4,211 GBP
$5,637 USD
View
17 more retailers have this diamond
Prices start from £1,500 GBPSave up to £2,711 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
£1,500 GBP