CaratHunter
Plans
Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2536156670

Certificate GIA 2536156670

Diamond specifications and retailer prices

From £2,408 GBP
As of November 4, 2026
Save £3,050 GBP (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,458 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 2536156670. Listed at 20 retailers as of November 4, 2026, with prices from £2,408 to £5,458, a £3,050 spread on the same certified stone. NZ Jewellers lists it at £5,458. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2536156670
Dimensions8.35 × 5.85 × 3.69 mm
L/W Ratio1.43
Top View
8.35 mm5.85 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2536156670
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.0%

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 4
Current: £3,330 GBP|Low: £2,378 GBP|High: £3,798 GBP|Avg: £3,038 GBP|+1.9%
Retailer 1
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
November 6, 2026
Retailer 12£2,410 GBP
Retailer 11£2,492 GBP
Retailer 9£2,519 GBP
Retailer 14£2,666 GBP
Retailer 15£2,675 GBP
Retailer 2£2,835 GBP
Retailer 13£2,838 GBP
Retailer 10£2,947 GBP
Retailer 4£3,088 GBP
Retailer 8£3,173 GBP
Retailer 6£3,205 GBP
Retailer 7£3,205 GBP
Retailer 5£3,310 GBP
Retailer 1£3,330 GBP
Retailer 3£3,798 GBP

39 data points across 15 retailers

20 retailers£2,408 GBP to £5,458 GBP

B+
Cheapest Retailer
-
£2,408 GBP
B+
Retailer 2
-
£2,410 GBP
View
B+
Retailer 3
-
£2,468 GBP
View
B+
Retailer 4
-
£2,492 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,519 GBP
View
Retailer 6
-
£2,675 GBP
View
Price last confirmed 58 days ago
B
Retailer 7
-
£2,697 GBP
View
B
Retailer 8
-
£2,835 GBP
View
B
Retailer 9
-
£2,838 GBP
View
B
Retailer 10
-
£2,947 GBP
View
B
Retailer 11
-
£3,088 GBP
View
B
Retailer 12
-
£3,088 GBP
View
B
Retailer 13
-
£3,173 GBP
View
B
Retailer 14
-
£3,205 GBP
View
B
Retailer 15
-
£3,205 GBP
View
B
Retailer 16
-
£3,275 GBP
View
B
Retailer 17
-
£3,330 GBP
View
B
Retailer 18
-
£3,685 GBP
View
B
Retailer 19
-
£4,528 GBP
View
Most Expensive
B
NZ Jewellers
5c5a12a6-0983-489b-932a-61645b0ae429 · Nov 5
£5,458 GBP
$7,305 USD
View
19 more retailers have this diamond
Prices start from £2,408 GBPSave up to £3,050 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
£2,408 GBP