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Marquise|Natural|GIA

1.20ct J VS1 Marquise Natural Diamond

VG • J/VS1 • GIA 2245088835

Certificate GIA 2245088835

Diamond specifications and retailer prices

From £2,436 GBP
As of November 4, 2026
Save £1,930 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,366 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2245088835. Listed at 15 retailers as of November 4, 2026, with prices from £2,436 to £4,366, a £1,930 spread on the same certified stone. Helzberg Diamonds lists it at £4,366. 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

1.20
Carat
J
Colour
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle39.72°
Pavilion angle37.1°
OriginNatural
Grading LabGIA
CertificateGIA 2245088835
Dimensions10.35 × 5.46 × 3.36 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.35 mm5.46 mm1.20 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2245088835
Side View
Table 59.0%Crown 39.72°Girdle: THK-VTKPavilion 37.1°Culet: NDepth 61.6%

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: £4,366 GBP|Low: £2,436 GBP|High: £4,366 GBP|Avg: £3,145 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 15£2,436 GBP
Retailer 4£2,477 GBP
Retailer 10£2,496 GBP
Retailer 11£2,596 GBP
Retailer 7£2,604 GBP
Retailer 12£2,645 GBP
Retailer 6£2,660 GBP
Retailer 9£2,797 GBP
Retailer 3£3,106 GBP
Retailer 5£3,148 GBP
Retailer 8£3,239 GBP
Retailer 2£3,381 GBP
Retailer 14£4,110 GBP
Retailer 13£4,359 GBP
Helzberg Diamonds£4,366 GBP

31 data points across 15 retailers

15 retailers£2,436 GBP to £4,366 GBP

B+
Cheapest Retailer
-
£2,436 GBP
B+
Retailer 2
-
£2,477 GBP
View
B+
Retailer 3
-
£2,496 GBP
View
B+
Retailer 4
-
£2,596 GBP
View
B+
Retailer 5
-
£2,604 GBP
View
B+
Retailer 6
-
£2,645 GBP
View
B
Retailer 7
-
£2,660 GBP
View
B
Retailer 8
-
£2,797 GBP
View
B
Retailer 9
-
£3,106 GBP
View
B
Retailer 10
-
£3,148 GBP
View
B
Retailer 11
-
£3,239 GBP
View
B
Retailer 12
-
£3,381 GBP
View
B
Retailer 13
-
£4,110 GBP
View
B
Retailer 14
-
£4,359 GBP
View
Most Expensive
C
Helzberg Diamonds
XZRIIKLGOOOJL · Nov 6
£4,366 GBP
$5,844 USD
View
14 more retailers have this diamond
Prices start from £2,436 GBPSave up to £1,930 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
£2,436 GBP