Oval|Natural|GIA

1.21ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2534442748

Certificate GIA 2534442748

Diamond specifications and retailer prices

From £2,617 GBP
As of November 5, 2026
Save £2,516 GBP (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,133 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534442748. Listed at 14 retailers as of November 5, 2026, with prices from £2,617 to £5,133, a £2,516 spread on the same certified stone. Wholesale Diamonds Direct lists it at £5,133. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.47°
Pavilion angle38.13°
OriginNatural
Grading LabGIA
CertificateGIA 2534442748
Dimensions8.43 × 5.84 × 3.60 mm
L/W Ratio1.44
Top View
8.43 mm5.84 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534442748
Side View
Table 59.0%Crown 40.47°Girdle: STK-THKPavilion 38.13°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £3,600 GBP|Low: £2,565 GBP|High: £5,182 GBP|Avg: £3,334 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£2,617 GBP
Retailer 11£2,673 GBP
Retailer 9£2,738 GBP
Retailer 5£2,865 GBP
Retailer 12£2,956 GBP
Retailer 4£3,115 GBP
Retailer 3£3,330 GBP
Retailer 2£3,406 GBP
Retailer 1£3,600 GBP
Retailer 7£3,616 GBP
Retailer 10£3,616 GBP
Retailer 8£3,736 GBP
Wholesale Diamonds Direct£5,133 GBP

35 data points across 13 retailers

14 retailers£2,617 GBP to £5,133 GBP

A
Cheapest Retailer
-
£2,617 GBP
A
Retailer 2
-
£2,673 GBP
View
A
Retailer 3
-
£2,738 GBP
View
B+
Retailer 4
-
£2,865 GBP
View
B+
Retailer 5
-
£2,956 GBP
View
B+
Retailer 6
-
£3,115 GBP
View
B+
Retailer 7
-
£3,330 GBP
View
B+
Retailer 8
-
£3,406 GBP
View
B+
Retailer 9
-
£3,616 GBP
View
B+
Retailer 10
-
£3,616 GBP
View
B+
Retailer 11
-
£3,617 GBP
View
B+
Retailer 12
-
£3,736 GBP
View
B+
Retailer 13
-
£3,815 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
262917067 · Nov 6
£5,133 GBP
$6,871 USD
View
13 more retailers have this diamond
Prices start from £2,617 GBPSave up to £2,516 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
£2,617 GBP