Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

ID • I/SI1 • GIA 2547347647

Certificate GIA 2547347647

Diamond specifications and retailer prices

From £1,692 GBP
As of November 6, 2026
Save £2,965 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,657 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547347647. Listed at 21 retailers as of November 5, 2026, with prices from £1,692 to £4,657, a £2,965 spread on the same certified stone. NZ Jewellers lists it at £4,657. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547347647
Dimensions8.18 × 5.93 × 3.71 mm
L/W Ratio1.38
Top View
8.18 mm5.93 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547347647
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.5%

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 6
Current: £4,657 GBP|Low: £1,692 GBP|High: £4,701 GBP|Avg: £2,550 GBP|-0.9%
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 6£1,692 GBP
Retailer 2£1,761 GBP
Retailer 14£2,013 GBP
Retailer 17£2,028 GBP
Retailer 9£2,056 GBP
Retailer 11£2,161 GBP
Retailer 18£2,228 GBP
Retailer 10£2,249 GBP
Retailer 3£2,313 GBP
Retailer 7£2,334 GBP
Retailer 12£2,356 GBP
Retailer 15£2,358 GBP
Retailer 4£2,421 GBP
Retailer 5£2,570 GBP
Retailer 8£2,607 GBP
Retailer 13£2,719 GBP
Retailer 16£3,715 GBP
NZ Jewellers£4,657 GBP

22 data points across 18 retailers

21 retailers£1,692 GBP to £4,657 GBP

A
Cheapest Retailer
-
£1,692 GBP
A
Retailer 2
-
£1,761 GBP
View
B+
Retailer 3
-
£2,013 GBP
View
B+
Retailer 4
-
£2,028 GBP
View
B+
Retailer 5
-
£2,056 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,137 GBP
View
B+
Retailer 7
-
£2,140 GBP
View
B+
Retailer 8
-
£2,161 GBP
View
B+
Retailer 9
-
£2,228 GBP
View
Retailer 10
-
£2,249 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,313 GBP
View
B+
Retailer 12
-
£2,334 GBP
View
B+
Retailer 13
-
£2,356 GBP
View
B+
Retailer 14
-
£2,358 GBP
View
B+
Retailer 15
-
£2,421 GBP
View
Retailer 16
-
£2,424 GBP
View
Price last confirmed 30 days ago
B+
Retailer 17
-
£2,570 GBP
View
B+
Retailer 18
-
£2,607 GBP
View
B+
Retailer 19
-
£2,719 GBP
View
B
Retailer 20
-
£3,715 GBP
View
Most Expensive
B
NZ Jewellers
8a318df7-e0d3-4331-9d7f-47a1fcfa4d35 · Nov 5
£4,657 GBP
$6,234 USD
View
20 more retailers have this diamond
Prices start from £1,692 GBPSave up to £2,965 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
£1,692 GBP