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Marquise|Natural|GIA

1.21ct J VS2 Marquise Natural Diamond

EX • J/VS2 • GIA 2566645179

Certificate GIA 2566645179

Diamond specifications and retailer prices

From £2,826 GBP
As of November 4, 2026
Save £2,240 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,066 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566645179. Listed at 15 retailers as of November 4, 2026, with prices from £2,826 to £5,066, a £2,240 spread on the same certified stone. Helzberg Diamonds lists it at £5,066. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.48°
Pavilion angle38.29°
OriginNatural
Grading LabGIA
CertificateGIA 2566645179
Dimensions10.76 × 5.63 × 3.34 mm
L/W Ratio1.91
Culet sizeNone
Top View
10.76 mm5.63 mm1.21 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566645179
Side View
Table 58.0%Crown 37.48°Girdle: STK-THKPavilion 38.29°Culet: NDepth 59.3%

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: £5,066 GBP|Low: £2,826 GBP|High: £5,066 GBP|Avg: £3,628 GBP
Helzberg Diamonds
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
November 7, 2026
Retailer 16£2,826 GBP
Retailer 15£2,870 GBP
Retailer 11£2,895 GBP
Retailer 13£2,941 GBP
Retailer 8£2,994 GBP
Retailer 3£3,044 GBP
Retailer 6£3,085 GBP
Retailer 2£3,260 GBP
Retailer 5£3,575 GBP
Retailer 7£3,597 GBP
Retailer 10£3,632 GBP
Retailer 9£3,921 GBP
Retailer 14£3,953 GBP
Retailer 4£4,767 GBP
Retailer 12£5,027 GBP
Helzberg Diamonds£5,066 GBP

22 data points across 16 retailers

15 retailers£2,826 GBP to £5,066 GBP

B+
Cheapest Retailer
-
£2,826 GBP
B+
Retailer 2
-
£2,870 GBP
View
B+
Retailer 3
-
£2,895 GBP
View
B+
Retailer 4
-
£2,941 GBP
View
B+
Retailer 5
-
£2,994 GBP
View
B+
Retailer 6
-
£3,044 GBP
View
B+
Retailer 7
-
£3,085 GBP
View
B+
Retailer 8
-
£3,260 GBP
View
B
Retailer 9
-
£3,575 GBP
View
B
Retailer 10
-
£3,597 GBP
View
B
Retailer 11
-
£3,632 GBP
View
B
Retailer 12
-
£3,921 GBP
View
B
Retailer 13
-
£4,767 GBP
View
B
Retailer 14
-
£5,027 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRILMMMKLHNP · Nov 6
£5,066 GBP
$6,781 USD
View
14 more retailers have this diamond
Prices start from £2,826 GBPSave up to £2,240 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
£2,826 GBP