Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 3565399001

Certificate GIA 3565399001

Diamond specifications and retailer prices

From £1,763 GBP
As of November 6, 2026
Save £2,196 GBP (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,959 GBP at NZ Jewellers · As of November 5, 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 G 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 3565399001. Listed at 13 retailers as of November 5, 2026, with prices from £1,763 to £3,959, a £2,196 spread on the same certified stone. NZ Jewellers lists it at £3,959. 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

1.21
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565399001
Dimensions8.54 × 5.84 × 3.66 mm
L/W Ratio1.46
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.54 mm5.84 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565399001
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,959 GBP|Low: £1,750 GBP|High: £4,072 GBP|Avg: £2,466 GBP|-2.8%
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
November 6, 2026
Retailer 2£1,763 GBP
Retailer 10£1,769 GBP
Retailer 5£2,040 GBP
Retailer 3£2,097 GBP
Retailer 4£2,208 GBP
Retailer 6£2,234 GBP
Retailer 9£2,272 GBP
Retailer 8£2,359 GBP
Retailer 12£2,442 GBP
Retailer 13£2,454 GBP
Retailer 11£2,622 GBP
Retailer 7£3,789 GBP
NZ Jewellers£3,959 GBP

30 data points across 13 retailers

13 retailers£1,763 GBP to £3,959 GBP

A
Cheapest Retailer
-
£1,763 GBP
A
Retailer 2
-
£1,769 GBP
View
Retailer 3
-
£2,040 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
£2,097 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,208 GBP
View
A
Retailer 6
-
£2,234 GBP
View
A
Retailer 7
-
£2,272 GBP
View
B+
Retailer 8
-
£2,359 GBP
View
B+
Retailer 9
-
£2,442 GBP
View
Retailer 10
-
£2,454 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£2,622 GBP
View
B
Retailer 12
-
£3,789 GBP
View
Most Expensive
B
NZ Jewellers
3350a12a-7d95-4c92-ab7b-a3e470ff2bcf · Nov 5
£3,959 GBP
$5,299 USD
View
12 more retailers have this diamond
Prices start from £1,763 GBPSave up to £2,196 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
1.21ct Oval
£1,763 GBP