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Marquise|Natural|GIA

1.21ct D SI2 Marquise Natural Diamond

VG • D/SI2 • GIA 6247106125

Certificate GIA 6247106125

Diamond specifications and retailer prices

From £3,651 GBP
As of November 4, 2026
Save £2,864 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,515 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6247106125. Listed at 12 retailers as of November 4, 2026, with prices from £3,651 to £6,515, a £2,864 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,515. 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
D
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.09°
Pavilion angle37.94°
OriginNatural
Grading LabGIA
CertificateGIA 6247106125
Dimensions10.33 × 5.56 × 3.34 mm
L/W Ratio1.86
Culet sizeNone
Top View
10.33 mm5.56 mm1.21 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6247106125
Side View
Table 60.0%Crown 40.09°Girdle: STK-VTKPavilion 37.94°Culet: NoneDepth 60.1%

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 4
Current: £5,089 GBP|Low: £3,651 GBP|High: £6,515 GBP|Avg: £4,433 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 7£3,651 GBP
Retailer 6£3,757 GBP
Retailer 8£3,798 GBP
Retailer 9£3,881 GBP
Retailer 2£3,885 GBP
Retailer 11£4,004 GBP
Retailer 5£4,102 GBP
Retailer 3£4,569 GBP
Retailer 10£4,580 GBP
Retailer 4£4,716 GBP
Retailer 1£5,089 GBP
Wholesale Diamonds Direct£6,515 GBP

13 data points across 12 retailers

12 retailers£3,651 GBP to £6,515 GBP

B+
Cheapest Retailer
-
£3,651 GBP
B+
Retailer 2
-
£3,757 GBP
View
B+
Retailer 3
-
£3,798 GBP
View
B+
Retailer 4
-
£3,881 GBP
View
B+
Retailer 5
-
£3,885 GBP
View
B
Retailer 6
-
£4,004 GBP
View
B
Retailer 7
-
£4,102 GBP
View
B
Retailer 8
-
£4,569 GBP
View
B
Retailer 9
-
£4,580 GBP
View
B
Retailer 10
-
£4,716 GBP
View
B
Retailer 11
-
£5,089 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
611240123 · Nov 6
£6,515 GBP
$8,721 USD
View
11 more retailers have this diamond
Prices start from £3,651 GBPSave up to £2,864 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
£3,651 GBP