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Oval|Natural|GIA

1.21ct H SI2 Oval Natural Diamond

ID • H/SI2 • GIA 2544162127

Certificate GIA 2544162127

Diamond specifications and retailer prices

From £2,073 GBP
$2,777 USD
As of October 31, 2026
Save £2,548 GBP (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,621 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544162127. Listed at 14 retailers as of October 28, 2026, with prices from £2,073 to £4,621, a £2,548 spread on the same certified stone. Queensmith lists it at £4,621. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544162127
Dimensions8.54 × 6.07 × 3.71 mm
L/W Ratio1.41
Top View
8.54 mm6.07 mm1.21 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544162127
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.1%

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: Oct 31
Current: £4,621 GBP|Low: £1,915 GBP|High: £4,640 GBP|Avg: £2,854 GBP|+2.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5£2,073 GBP
Retailer 6£2,264 GBP
Retailer 7£2,336 GBP
Retailer 8£2,336 GBP
Retailer 9£2,531 GBP
Retailer 3£2,569 GBP
Retailer 4£2,902 GBP
Retailer 2£4,146 GBP
Queensmith£4,621 GBP

43 data points across 9 retailers

14 retailers£2,073 GBP to £4,621 GBP

A
Cheapest Retailer
-
£2,073 GBP
$2,777 USD
Final sale: no returns
Retailer 2
-
£2,246 GBP
$3,009 USD
View
Price last confirmed 14 days ago
Retailer 3
-
£2,246 GBP
$3,009 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
£2,264 GBP
$3,034 USD
View
Retailer 5
-
£2,332 GBP
$3,125 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
£2,336 GBP
$3,130 USD
View
B+
Retailer 7
-
£2,336 GBP
$3,130 USD
View
B+
Retailer 8
-
£2,531 GBP
A$5,218 AUD
View
B+
Retailer 9
-
£2,569 GBP
View
Retailer 10
-
£2,591 GBP
$3,472 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
£2,902 GBP
€3,703 EUR
View
B
Retailer 12
-
£4,146 GBP
View
Retailer 13
-
£4,319 GBP
$5,787 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
2544162127 · Oct 28
£4,621 GBP
View
13 more retailers have this diamond
Prices start from £2,073 GBPSave up to £2,548 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
£2,073 GBP