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Marquise|Natural|GIA

1.21ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 7553337347

Certificate GIA 7553337347

Diamond specifications and retailer prices

From £2,318 GBP
As of November 4, 2026
Save £1,825 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,143 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise 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 7553337347. Listed at 12 retailers as of November 4, 2026, with prices from £2,318 to £4,143, a £1,825 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,143. 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
FluorescenceFaint
Crown angle38.9°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7553337347
Dimensions10.51 × 5.52 × 3.49 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.51 mm5.52 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7553337347
Side View
Table 60.0%Crown 38.9°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,217 GBP|Low: £2,318 GBP|High: £4,310 GBP|Avg: £2,924 GBP|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£2,318 GBP
Retailer 5£2,375 GBP
Retailer 7£2,500 GBP
Retailer 2£2,604 GBP
Retailer 4£2,688 GBP
Retailer 10£2,792 GBP
Retailer 8£2,963 GBP
Retailer 9£3,011 GBP
Retailer 3£3,083 GBP
Retailer 1£3,217 GBP
Wholesale Diamonds Direct£4,143 GBP

38 data points across 11 retailers

12 retailers£2,318 GBP to £4,143 GBP

A
Cheapest Retailer
-
£2,318 GBP
A
Retailer 2
-
£2,375 GBP
View
B+
Retailer 3
-
£2,500 GBP
View
B+
Retailer 4
-
£2,604 GBP
View
B+
Retailer 5
-
£2,688 GBP
View
B+
Retailer 6
-
£2,792 GBP
View
B+
Retailer 7
-
£2,963 GBP
View
B+
Retailer 8
-
£3,011 GBP
View
B+
Retailer 9
-
£3,083 GBP
View
B+
Retailer 10
-
£3,217 GBP
View
B
Retailer 11
-
£3,271 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
584564611 · Nov 6
£4,143 GBP
$5,545 USD
View
11 more retailers have this diamond
Prices start from £2,318 GBPSave up to £1,825 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 Marquise
£2,318 GBP