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Oval|Natural|GIA

1.21ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 1569225638

Certificate GIA 1569225638

Diamond specifications and retailer prices

From £1,941 GBP
As of November 6, 2026
Save £2,549 GBP (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,490 GBP at NZ Jewellers · As of November 7, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569225638. Listed at 22 retailers as of November 6, 2026, with prices from £1,941 to £4,490, a £2,549 spread on the same certified stone. NZ Jewellers lists it at £4,490. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1569225638
Dimensions8.35 × 6.01 × 3.78 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.35 mm6.01 mm1.21 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1569225638
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.8%

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: £4,490 GBP|Low: £1,922 GBP|High: £4,490 GBP|Avg: £2,778 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
Retailer 18
Retailer 19
November 7, 2026
Retailer 19£1,941 GBP
Retailer 14£2,019 GBP
Retailer 17£2,277 GBP
Retailer 5£2,312 GBP
Retailer 11£2,335 GBP
Retailer 9£2,343 GBP
Retailer 8£2,379 GBP
Retailer 2£2,516 GBP
Retailer 3£2,578 GBP
Retailer 7£2,578 GBP
Retailer 13£2,667 GBP
Retailer 4£2,677 GBP
Retailer 15£2,702 GBP
Retailer 10£2,749 GBP
Retailer 6£2,974 GBP
Retailer 18£3,016 GBP
Retailer 16£3,146 GBP
Retailer 12£4,288 GBP
NZ Jewellers£4,490 GBP

23 data points across 19 retailers

22 retailers£1,941 GBP to £4,490 GBP

A
Cheapest Retailer
-
£1,941 GBP
A
Retailer 2
-
£2,019 GBP
View
A
Retailer 3
-
£2,277 GBP
View
B+
Retailer 4
-
£2,312 GBP
View
Retailer 5
-
£2,335 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£2,343 GBP
View
B+
Retailer 7
-
£2,379 GBP
View
Final sale: no returns
B+
Retailer 8
-
£2,397 GBP
View
B+
Retailer 9
-
£2,398 GBP
View
B+
Retailer 10
-
£2,516 GBP
View
B+
Retailer 11
-
£2,578 GBP
View
B+
Retailer 12
-
£2,578 GBP
View
B+
Retailer 13
-
£2,667 GBP
View
B+
Retailer 14
-
£2,677 GBP
View
B+
Retailer 15
-
£2,702 GBP
View
B+
Retailer 16
-
£2,749 GBP
View
Retailer 17
-
£2,776 GBP
View
Price last confirmed 34 days ago
B
Retailer 18
-
£2,974 GBP
View
B
Retailer 19
-
£3,016 GBP
View
B+
Retailer 20
-
£3,146 GBP
View
B
Retailer 21
-
£4,288 GBP
View
Most Expensive
B
NZ Jewellers
35594408-b63f-44b5-87d9-15c25212af1a · Nov 7
£4,490 GBP
$6,010 USD
View
21 more retailers have this diamond
Prices start from £1,941 GBPSave up to £2,549 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
£1,941 GBP