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Oval|Natural|GIA

1.20ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1543382352

Certificate GIA 1543382352

Diamond specifications and retailer prices

From £2,758 GBP
As of November 6, 2026
Save £3,172 GBP (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,930 GBP at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543382352. Listed at 21 retailers as of November 2, 2026, with prices from £2,758 to £5,930, a £3,172 spread on the same certified stone. NZ Jewellers lists it at £5,930. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543382352
Dimensions8.75 × 5.98 × 3.65 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
8.75 mm5.98 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1543382352
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

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 6
Current: £5,930 GBP|Low: £2,758 GBP|High: £6,156 GBP|Avg: £3,853 GBP|-3.7%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 4, 2026
Retailer 4£2,758 GBP
Retailer 5£2,846 GBP
Retailer 2£2,944 GBP
Retailer 20£3,072 GBP
Retailer 3£3,083 GBP
Retailer 15£3,083 GBP
Retailer 11£3,201 GBP
Retailer 14£3,254 GBP
Retailer 7£3,290 GBP
Retailer 18£3,319 GBP
Retailer 13£3,447 GBP
Retailer 8£3,489 GBP
Retailer 16£3,489 GBP
Retailer 9£3,558 GBP
Retailer 12£3,565 GBP
Retailer 17£3,609 GBP
Retailer 19£3,851 GBP
Retailer 6£4,183 GBP
Retailer 21£5,420 GBP
Retailer 10£5,488 GBP
NZ Jewellers£5,930 GBP

24 data points across 21 retailers

21 retailers£2,758 GBP to £5,930 GBP

B+
Cheapest Retailer
-
£2,758 GBP
B+
Retailer 2
-
£2,846 GBP
View
Final sale: no returns
B+
Retailer 3
-
£2,944 GBP
View
B+
Retailer 4
-
£3,072 GBP
View
B+
Retailer 5
-
£3,083 GBP
View
B+
Retailer 6
-
£3,083 GBP
View
Retailer 7
-
£3,201 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£3,290 GBP
View
B+
Retailer 9
-
£3,319 GBP
View
B+
Retailer 10
-
£3,447 GBP
View
B
Retailer 11
-
£3,489 GBP
View
B
Retailer 12
-
£3,489 GBP
View
B
Retailer 13
-
£3,534 GBP
View
B
Retailer 14
-
£3,558 GBP
View
Retailer 15
-
£3,565 GBP
View
Price last confirmed 36 days ago
B
Retailer 16
-
£3,609 GBP
View
B
Retailer 17
-
£3,851 GBP
View
B
Retailer 18
-
£4,183 GBP
View
B
Retailer 19
-
£5,420 GBP
View
Retailer 20
-
£5,488 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
7ce751ed-5a22-49b2-99f1-e831d10ca2c8 · Nov 2
£5,930 GBP
$7,937 USD
View
20 more retailers have this diamond
Prices start from £2,758 GBPSave up to £3,172 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
£2,758 GBP