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Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 6561212451

Certificate GIA 6561212451

Diamond specifications and retailer prices

From £1,898 GBP
As of November 6, 2026
Save £2,697 GBP (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,595 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 6561212451. Listed at 17 retailers as of November 5, 2026, with prices from £1,898 to £4,595, a £2,697 spread on the same certified stone. NZ Jewellers lists it at £4,595. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561212451
Dimensions8.66 × 5.96 × 3.72 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
8.66 mm5.96 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6561212451
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.4%

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: £4,595 GBP|Low: £1,898 GBP|High: £4,595 GBP|Avg: £2,807 GBP
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
November 6, 2026
Retailer 12£1,898 GBP
Retailer 17£2,022 GBP
Retailer 10£2,174 GBP
Retailer 2£2,261 GBP
Retailer 7£2,480 GBP
Retailer 13£2,504 GBP
Retailer 15£2,635 GBP
Retailer 5£2,637 GBP
Retailer 8£2,637 GBP
Retailer 4£2,705 GBP
Retailer 6£2,739 GBP
Retailer 14£2,796 GBP
Retailer 11£2,802 GBP
Retailer 9£2,814 GBP
Retailer 16£2,938 GBP
Retailer 3£4,411 GBP
NZ Jewellers£4,595 GBP

23 data points across 17 retailers

17 retailers£1,898 GBP to £4,595 GBP

A
Cheapest Retailer
-
£1,898 GBP
A
Retailer 2
-
£2,022 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,174 GBP
View
A
Retailer 4
-
£2,261 GBP
View
B+
Retailer 5
-
£2,480 GBP
View
B+
Retailer 6
-
£2,504 GBP
View
B+
Retailer 7
-
£2,635 GBP
View
B+
Retailer 8
-
£2,637 GBP
View
Retailer 9
-
£2,637 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£2,705 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£2,739 GBP
View
B+
Retailer 12
-
£2,796 GBP
View
B+
Retailer 13
-
£2,802 GBP
View
B
Retailer 14
-
£2,814 GBP
View
B+
Retailer 15
-
£2,938 GBP
View
B
Retailer 16
-
£4,411 GBP
View
Most Expensive
B
NZ Jewellers
ce2c88f5-c2d1-4b27-befa-52ef8d3d7604 · Nov 5
£4,595 GBP
$6,150 USD
View
16 more retailers have this diamond
Prices start from £1,898 GBPSave up to £2,697 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
£1,898 GBP