Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

VG • F/SI1 • GIA 2231647775

Certificate GIA 2231647775

Diamond specifications and retailer prices

From £2,664 GBP
As of November 5, 2026
Save £2,752 GBP (51%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,940 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2231647775. Listed at 26 retailers as of November 4, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.42°
Pavilion angle40.03°
OriginNatural
Grading LabGIA
CertificateGIA 2231647775
Dimensions8.04 × 5.90 × 3.79 mm
L/W Ratio1.36
Culet sizeNone
Top View
8.04 mm5.90 mm1.21 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231647775
Side View
Table 60.0%Crown 41.42°Girdle: MED-VTKPavilion 40.03°Culet: NoneDepth 64.3%

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 5
Current: £3,701 GBP|Low: £2,241 GBP|High: £5,496 GBP|Avg: £3,499 GBP
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 15£2,690 GBP
Retailer 4£2,719 GBP
Retailer 11£2,762 GBP
Retailer 3£2,851 GBP
Retailer 7£2,940 GBP
Retailer 6£3,272 GBP
Retailer 8£3,357 GBP
Retailer 14£3,363 GBP
Retailer 5£3,437 GBP
Retailer 13£3,635 GBP
Retailer 1£3,701 GBP
Retailer 9£4,160 GBP
Retailer 2£4,923 GBP
Retailer 12£4,932 GBP
Retailer 10£5,416 GBP

39 data points across 15 retailers

26 retailers£2,664 GBP to £5,416 GBP

B+
Cheapest Retailer
-
£2,664 GBP
B+
Retailer 2
-
£2,690 GBP
View
B+
Retailer 3
-
£2,719 GBP
View
B+
Retailer 4
-
£2,723 GBP
View
B+
Retailer 5
-
£2,762 GBP
View
B+
Retailer 6
-
£2,851 GBP
View
Final sale: no returns
Retailer 7
-
£2,916 GBP
View
Price last confirmed 71 days ago
B
Retailer 8
-
£2,940 GBP
View
B+
Retailer 9
-
£3,077 GBP
View
Retailer 10
-
£3,089 GBP
View
Price last confirmed 38 days ago
Retailer 11
-
£3,089 GBP
View
Price last confirmed 29 days ago
Retailer 12
-
£3,089 GBP
View
Price last confirmed 25 days ago
B
Retailer 13
-
£3,272 GBP
View
B+
Retailer 14
-
£3,357 GBP
View
B
Retailer 15
-
£3,363 GBP
View
B
Retailer 16
-
£3,429 GBP
View
B
Retailer 17
-
£3,429 GBP
View
Retailer 18
-
£3,437 GBP
View
Price last confirmed 28 days ago
B
Retailer 19
-
£3,541 GBP
View
Retailer 20
-
£3,564 GBP
View
Price last confirmed 28 days ago
B
Retailer 21
-
£3,635 GBP
View
Retailer 22
-
£3,701 GBP
View
B
Retailer 23
-
£4,160 GBP
View
B
Retailer 24
-
£4,932 GBP
View
B
Retailer 25
-
£5,416 GBP
View
Most Expensive
NZ Jewellers
5d1df2ec-58a3-4d40-a3d1-ee69e4fa496a · Sep 30
£5,940 GBP
$7,951 USD
View
Price last confirmed 37 days ago
25 more retailers have this diamond
Prices start from £2,664 GBPSave up to £2,752 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+
1.21ct Oval
£2,664 GBP