Oval|Natural|GIA

1.21ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7552439763

Certificate GIA 7552439763

Diamond specifications and retailer prices

From £1,825 GBP
HK$19,100 HKD
As of November 1, 2026
Save £2,749 GBP (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,573 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 7552439763. Listed at 18 retailers as of October 28, 2026, with prices from £1,825 to £4,573, a £2,749 spread on the same certified stone. Queensmith lists it at £4,573. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7552439763
Dimensions8.49 × 6.02 × 3.61 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
8.49 mm6.02 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7552439763
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.9%

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 1
Current: £4,573 GBP|Low: £1,806 GBP|High: £4,592 GBP|Avg: £2,733 GBP|+2.0%
Queensmith
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
November 1, 2026
Retailer 13£1,825 GBP
Retailer 2£1,909 GBP
Retailer 17£2,135 GBP
Retailer 15£2,213 GBP
Retailer 6£2,235 GBP
Retailer 10£2,395 GBP
Retailer 3£2,422 GBP
Retailer 5£2,422 GBP
Retailer 12£2,510 GBP
Retailer 16£2,515 GBP
Retailer 8£2,529 GBP
Retailer 9£2,539 GBP
Retailer 4£2,795 GBP
Retailer 14£2,836 GBP
Retailer 11£4,051 GBP
Retailer 7£4,220 GBP
Queensmith£4,573 GBP

24 data points across 17 retailers

18 retailers£1,825 GBP to £4,573 GBP

A
Cheapest Retailer
-
£1,825 GBP
HK$19,100 HKD
A
Retailer 2
-
£1,909 GBP
₹243,576 INR
View
B+
Retailer 3
-
£2,135 GBP
SGD 3,866 SGD
View
B+
Retailer 4
-
£2,213 GBP
$2,965 USD
View
B+
Retailer 5
-
£2,235 GBP
$2,995 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,260 GBP
$3,028 USD
View
B+
Retailer 7
-
£2,395 GBP
View
Retailer 8
-
£2,422 GBP
$3,245 USD
View
Price last confirmed 16 days ago
Retailer 9
-
£2,422 GBP
$3,245 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£2,510 GBP
View
Retailer 11
-
£2,515 GBP
$3,370 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
£2,529 GBP
$3,389 USD
View
B
Retailer 13
-
£2,539 GBP
SGD 4,597 SGD
View
Retailer 14
-
£2,795 GBP
$3,745 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
£2,836 GBP
€3,619 EUR
View
B
Retailer 16
-
£4,051 GBP
View
Retailer 17
-
£4,220 GBP
$5,654 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
7552439763 · Oct 28
£4,573 GBP
View
17 more retailers have this diamond
Prices start from £1,825 GBPSave up to £2,749 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
£1,825 GBP