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Oval|Natural|GIA

1.21ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 3535885981

Certificate GIA 3535885981

Diamond specifications and retailer prices

From £2,377 GBP
As of November 6, 2026
Save £2,946 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,322 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 3535885981. Listed at 19 retailers as of November 6, 2026, with prices from £2,377 to £5,322, a £2,946 spread on the same certified stone. NZ Jewellers lists it at £5,322. 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
SymmetryExcellent
FluorescenceNone
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3535885981
Dimensions8.43 × 6.01 × 3.77 mm
L/W Ratio1.40
Top View
8.43 mm6.01 mm1.21 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3535885981
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £5,322 GBP|Low: £2,294 GBP|High: £5,322 GBP|Avg: £3,302 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
November 7, 2026
Retailer 15£2,377 GBP
Retailer 8£2,608 GBP
Retailer 10£2,656 GBP
Retailer 7£2,736 GBP
Retailer 17£2,947 GBP
Retailer 11£2,988 GBP
Retailer 9£3,040 GBP
Retailer 18£3,040 GBP
Retailer 13£3,124 GBP
Retailer 3£3,160 GBP
Retailer 5£3,160 GBP
Retailer 4£3,265 GBP
Retailer 16£3,279 GBP
Retailer 14£3,446 GBP
Retailer 2£3,899 GBP
Retailer 6£4,459 GBP
Retailer 12£5,082 GBP
NZ Jewellers£5,322 GBP

30 data points across 18 retailers

19 retailers£2,377 GBP to £5,322 GBP

B+
Cheapest Retailer
-
£2,377 GBP
B+
Retailer 2
-
£2,608 GBP
View
Retailer 3
-
£2,646 GBP
View
Price last confirmed 180 days ago
B+
Retailer 4
-
£2,656 GBP
View
B+
Retailer 5
-
£2,736 GBP
View
B+
Retailer 6
-
£2,947 GBP
View
B+
Retailer 7
-
£2,988 GBP
View
B+
Retailer 8
-
£3,040 GBP
View
B+
Retailer 9
-
£3,040 GBP
View
B+
Retailer 10
-
£3,124 GBP
View
B+
Retailer 11
-
£3,160 GBP
View
B+
Retailer 12
-
£3,160 GBP
View
B+
Retailer 13
-
£3,265 GBP
View
B+
Retailer 14
-
£3,279 GBP
View
B
Retailer 15
-
£3,446 GBP
View
B
Retailer 16
-
£3,899 GBP
View
B
Retailer 17
-
£4,459 GBP
View
B
Retailer 18
-
£5,082 GBP
View
Most Expensive
B
NZ Jewellers
9174669a-c3a2-4c0c-b333-44e2cc0523b9 · Nov 7
£5,322 GBP
$7,124 USD
View
18 more retailers have this diamond
Prices start from £2,377 GBPSave up to £2,946 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
£2,377 GBP