Oval|Natural|GIA

1.21ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 2235952815

Certificate GIA 2235952815

Diamond specifications and retailer prices

From £1,568 GBP
As of November 6, 2026
Save £2,867 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,436 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235952815. Listed at 10 retailers as of November 5, 2026, with prices from £1,568 to £4,436, a £2,867 spread on the same certified stone. NZ Jewellers lists it at £4,436. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.13°
OriginNatural
Grading LabGIA
CertificateGIA 2235952815
Dimensions8.23 × 5.90 × 3.84 mm
L/W Ratio1.39
Key to symbols
Crystal, Feather, Needle
Top View
8.23 mm5.90 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235952815
Side View
Table 61.0%CrownGirdle: STK-THKPavilion 38.13°Culet: NoneDepth 65.2%

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: £4,436 GBP|Low: £1,568 GBP|High: £4,717 GBP|Avg: £2,617 GBP|+7.5%
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 6£1,568 GBP
Retailer 11£1,910 GBP
Retailer 9£2,007 GBP
Retailer 8£2,122 GBP
Retailer 2£2,175 GBP
Retailer 5£2,203 GBP
Retailer 3£2,407 GBP
Retailer 4£2,477 GBP
Retailer 10£3,365 GBP
Retailer 7£3,717 GBP
NZ Jewellers£4,436 GBP

35 data points across 11 retailers

10 retailers£1,568 GBP to £4,436 GBP

A
Cheapest Retailer
-
£1,568 GBP
A
Retailer 2
-
£2,007 GBP
View
A
Retailer 3
-
£2,122 GBP
View
A
Retailer 4
-
£2,175 GBP
View
A
Retailer 5
-
£2,203 GBP
View
A
Retailer 6
-
£2,407 GBP
View
A
Retailer 7
-
£2,477 GBP
View
Retailer 8
-
£3,365 GBP
View
Price last confirmed 16 days ago
B+
Retailer 9
-
£3,717 GBP
View
Most Expensive
B
NZ Jewellers
abaa0005-c059-4fee-95de-7c0d767a8019 · Nov 5
£4,436 GBP
$5,937 USD
View
9 more retailers have this diamond
Prices start from £1,568 GBPSave up to £2,867 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
£1,568 GBP