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Marquise|Natural|GIA

1.21ct I SI2 Marquise Natural Diamond

VG • I/SI2 • GIA 7566040319

Certificate GIA 7566040319

Diamond specifications and retailer prices

From £2,223 GBP
As of November 1, 2026
Save £1,889 GBP (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,111 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7566040319. Listed at 11 retailers as of November 1, 2026, with prices from £2,223 to £4,111, a £1,889 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,111. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.82°
Pavilion angle39.97°
OriginNatural
Grading LabGIA
CertificateGIA 7566040319
Dimensions10.18 × 5.48 × 3.54 mm
L/W Ratio1.86
Culet sizeNone
Top View
10.18 mm5.48 mm1.21 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7566040319
Side View
Table 57.0%Crown 40.82°Girdle: VTN-VTKPavilion 39.97°Culet: NDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,909 GBP|Low: £2,144 GBP|High: £4,111 GBP|Avg: £2,710 GBP|-3.7%
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 4£2,193 GBP
Retailer 10£2,223 GBP
Retailer 11£2,306 GBP
Retailer 6£2,312 GBP
Retailer 3£2,502 GBP
Retailer 7£2,688 GBP
Retailer 14£2,755 GBP
Retailer 12£2,761 GBP
Retailer 2£2,779 GBP
Retailer 5£2,844 GBP
Retailer 1£2,909 GBP
Retailer 8£2,921 GBP
Retailer 13£2,921 GBP
Retailer 9£3,018 GBP
Wholesale Diamonds Direct£4,111 GBP

37 data points across 15 retailers

11 retailers£2,223 GBP to £4,111 GBP

B+
Cheapest Retailer
-
£2,223 GBP
B+
Retailer 2
-
£2,306 GBP
View
B
Retailer 3
-
£2,688 GBP
View
B+
Retailer 4
-
£2,755 GBP
View
B
Retailer 5
-
£2,761 GBP
View
B
Retailer 6
-
£2,779 GBP
View
B
Retailer 7
-
£2,909 GBP
View
B
Retailer 8
-
£2,921 GBP
View
B
Retailer 9
-
£2,921 GBP
View
B
Retailer 10
-
£3,018 GBP
View
Most Expensive
C
Wholesale Diamonds Direct
481272764 · Nov 6
£4,111 GBP
$5,503 USD
View
10 more retailers have this diamond
Prices start from £2,223 GBPSave up to £1,889 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.

B+
1.21ct Marquise
£2,223 GBP