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Oval|Natural|GIA

1.20ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2546118247

Certificate GIA 2546118247

Diamond specifications and retailer prices

From £2,170 GBP
As of November 6, 2026
Save £2,782 GBP (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,953 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 H 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 2546118247. Listed at 22 retailers as of November 5, 2026, with prices from £2,170 to £4,953, a £2,782 spread on the same certified stone. NZ Jewellers lists it at £4,953. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546118247
Dimensions8.43 × 6.03 × 3.78 mm
L/W Ratio1.40
Top View
8.43 mm6.03 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546118247
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

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: £4,953 GBP|Low: £2,170 GBP|High: £4,974 GBP|Avg: £3,357 GBP|-0.4%
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£2,170 GBP
Retailer 2£2,243 GBP
Retailer 15£2,570 GBP
Retailer 8£2,624 GBP
Retailer 12£2,732 GBP
Retailer 11£2,758 GBP
Retailer 18£2,843 GBP
Retailer 10£2,855 GBP
Retailer 16£2,942 GBP
Retailer 3£2,952 GBP
Retailer 7£2,952 GBP
Retailer 4£2,996 GBP
Retailer 5£3,281 GBP
Retailer 13£3,310 GBP
Retailer 14£3,470 GBP
Retailer 17£4,741 GBP
Retailer 9£4,934 GBP
NZ Jewellers£4,953 GBP

22 data points across 18 retailers

22 retailers£2,170 GBP to £4,953 GBP

B+
Cheapest Retailer
-
£2,170 GBP
B+
Retailer 2
-
£2,243 GBP
View
B+
Retailer 3
-
£2,570 GBP
View
B+
Retailer 4
-
£2,575 GBP
View
B+
Retailer 5
-
£2,624 GBP
View
Final sale: no returns
B
Retailer 6
-
£2,669 GBP
View
B
Retailer 7
-
£2,671 GBP
View
B+
Retailer 8
-
£2,732 GBP
View
B+
Retailer 9
-
£2,758 GBP
View
B+
Retailer 10
-
£2,843 GBP
View
Retailer 11
-
£2,855 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,942 GBP
View
B+
Retailer 13
-
£2,952 GBP
View
B
Retailer 14
-
£2,952 GBP
View
B
Retailer 15
-
£2,996 GBP
View
Retailer 16
-
£3,083 GBP
View
Price last confirmed 29 days ago
B
Retailer 17
-
£3,281 GBP
View
B
Retailer 18
-
£3,310 GBP
View
B
Retailer 19
-
£3,470 GBP
View
B
Retailer 20
-
£4,741 GBP
View
Retailer 21
-
£4,934 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
b22341c6-3517-4448-9c86-35662b40917d · Nov 5
£4,953 GBP
$6,629 USD
View
21 more retailers have this diamond
Prices start from £2,170 GBPSave up to £2,782 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
£2,170 GBP