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Marquise|Natural|GIA

1.20ct J VS1 Marquise Natural Diamond

EX • J/VS1 • GIA 1563716556

Certificate GIA 1563716556

Diamond specifications and retailer prices

From £2,923 GBP
As of November 5, 2026
Save £2,277 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,200 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563716556. Listed at 15 retailers as of November 5, 2026, with prices from £2,923 to £5,200, a £2,277 spread on the same certified stone. Helzberg Diamonds lists it at £5,200. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle37.57°
OriginNatural
Grading LabGIA
CertificateGIA 1563716556
Dimensions10.53 × 5.55 × 3.35 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.53 mm5.55 mm1.20 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563716556
Side View
Table 58.0%Crown 39.3°Girdle: MED-THKPavilion 37.57°Culet: NDepth 60.2%

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 5
Current: £5,200 GBP|Low: £2,923 GBP|High: £5,200 GBP|Avg: £3,656 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
November 6, 2026
Retailer 3£2,923 GBP
Retailer 9£2,971 GBP
Retailer 4£3,003 GBP
Retailer 5£3,073 GBP
Retailer 7£3,167 GBP
Retailer 10£3,269 GBP
Retailer 13£3,530 GBP
Retailer 15£3,556 GBP
Retailer 14£3,664 GBP
Retailer 6£3,683 GBP
Retailer 8£3,729 GBP
Retailer 2£4,024 GBP
Retailer 12£4,892 GBP
Retailer 11£5,163 GBP
Helzberg Diamonds£5,200 GBP

11 data points across 15 retailers

15 retailers£2,923 GBP to £5,200 GBP

B+
Cheapest Retailer
-
£2,923 GBP
B+
Retailer 2
-
£2,971 GBP
View
B+
Retailer 3
-
£3,003 GBP
View
B+
Retailer 4
-
£3,073 GBP
View
B+
Retailer 5
-
£3,167 GBP
View
B+
Retailer 6
-
£3,269 GBP
View
B
Retailer 7
-
£3,530 GBP
View
B
Retailer 8
-
£3,556 GBP
View
B
Retailer 9
-
£3,664 GBP
View
B
Retailer 10
-
£3,683 GBP
View
B
Retailer 11
-
£3,729 GBP
View
B
Retailer 12
-
£4,024 GBP
View
B
Retailer 13
-
£4,892 GBP
View
B
Retailer 14
-
£5,163 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNHMLLM · Nov 6
£5,200 GBP
$6,960 USD
View
14 more retailers have this diamond
Prices start from £2,923 GBPSave up to £2,277 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+
1.20ct Marquise
£2,923 GBP