Oval|Natural|GIA

1.20ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2527113608

Certificate GIA 2527113608

Diamond specifications and retailer prices

From £1,612 GBP
As of November 2, 2026
Save £1,977 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,487 GBP at NZ Jewellers · As of September 30, 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 2527113608. Listed at 15 retailers as of November 2, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527113608
Dimensions8.30 × 5.94 × 3.74 mm
L/W Ratio1.40
Top View
8.30 mm5.94 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527113608
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

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 2
Current: £2,511 GBP|Low: £1,609 GBP|High: £3,627 GBP|Avg: £2,236 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 4£1,612 GBP
Retailer 2£1,701 GBP
Retailer 9£1,922 GBP
Retailer 7£1,931 GBP
Retailer 8£2,099 GBP
Retailer 3£2,294 GBP
Retailer 10£2,404 GBP
Retailer 1£2,511 GBP
Retailer 6£2,637 GBP
Retailer 5£3,589 GBP

35 data points across 10 retailers

15 retailers£1,612 GBP to £3,589 GBP

A
Cheapest Retailer
-
£1,612 GBP
A
Retailer 2
-
£1,922 GBP
View
A
Retailer 3
-
£1,931 GBP
View
B+
Retailer 4
-
£2,058 GBP
View
B+
Retailer 5
-
£2,099 GBP
View
Retailer 6
-
£2,146 GBP
View
Price last confirmed 39 days ago
Retailer 7
-
£2,229 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£2,252 GBP
View
B+
Retailer 9
-
£2,294 GBP
View
Retailer 10
-
£2,404 GBP
View
Price last confirmed 30 days ago
Retailer 11
-
£2,477 GBP
View
Price last confirmed 38 days ago
B+
Retailer 12
-
£2,511 GBP
View
B+
Retailer 13
-
£2,637 GBP
View
B
Retailer 14
-
£3,589 GBP
View
Most Expensive
NZ Jewellers
a4e11c25-72b0-4909-807c-46583ffa0056 · Sep 30
£4,487 GBP
$6,006 USD
View
Price last confirmed 37 days ago
14 more retailers have this diamond
Prices start from £1,612 GBPSave up to £1,977 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
£1,612 GBP