Oval|Natural|GIA

1.21ct M SI2 Oval Natural Diamond

ID • M/SI2 • GIA 6392527874

Certificate GIA 6392527874

Diamond specifications and retailer prices

From £960 GBP
As of November 6, 2026
Save £2,295 GBP (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,255 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6392527874. Listed at 12 retailers as of November 5, 2026, with prices from £960 to £3,255, a £2,295 spread on the same certified stone. NZ Jewellers lists it at £3,255. 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
M
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6392527874
Dimensions7.88 × 6.02 × 4.03 mm
L/W Ratio1.31
Top View
7.88 mm6.02 mm1.21 ctM / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6392527874
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.9%

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: £3,255 GBP|Low: £960 GBP|High: £3,255 GBP|Avg: £1,497 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£960 GBP
Retailer 5£975 GBP
Retailer 7£1,216 GBP
Retailer 4£1,307 GBP
Retailer 11£1,319 GBP
Retailer 3£1,334 GBP
Retailer 9£1,334 GBP
Retailer 8£1,396 GBP
Retailer 10£1,540 GBP
Retailer 6£1,823 GBP
NZ Jewellers£3,255 GBP

43 data points across 11 retailers

12 retailers£960 GBP to £3,255 GBP

A
Cheapest Retailer
-
£960 GBP
B+
Retailer 2
-
£975 GBP
View
B+
Retailer 3
-
£1,216 GBP
View
B
Retailer 4
-
£1,307 GBP
View
B
Retailer 5
-
£1,319 GBP
View
B
Retailer 6
-
£1,334 GBP
View
Retailer 7
-
£1,334 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£1,396 GBP
View
B
Retailer 9
-
£1,437 GBP
View
B
Retailer 10
-
£1,540 GBP
View
B
Retailer 11
-
£1,823 GBP
View
Most Expensive
C
NZ Jewellers
33eae456-f9a7-4e88-8f39-906438376459 · Nov 5
£3,255 GBP
$4,357 USD
View
11 more retailers have this diamond
Prices start from £960 GBPSave up to £2,295 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
£960 GBP