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Marquise|Natural|GIA

1.20ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6561495233

Certificate GIA 6561495233

Diamond specifications and retailer prices

From £2,872 GBP
As of November 6, 2026
Save £3,620 GBP (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,492 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561495233. Listed at 15 retailers as of November 5, 2026, with prices from £2,872 to £6,492, a £3,620 spread on the same certified stone. NZ Jewellers lists it at £6,492. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561495233
Dimensions12.42 × 5.29 × 3.00 mm
L/W Ratio2.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
12.42 mm5.29 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561495233
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £6,492 GBP|Low: £2,872 GBP|High: £6,492 GBP|Avg: £4,004 GBP
NZ Jewellers
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 11£2,872 GBP
Retailer 2£3,068 GBP
Retailer 8£3,181 GBP
Retailer 3£3,386 GBP
Retailer 9£3,424 GBP
Retailer 12£3,788 GBP
Retailer 14£3,814 GBP
Retailer 5£3,882 GBP
Retailer 7£3,882 GBP
Retailer 10£3,960 GBP
Retailer 6£3,996 GBP
Retailer 13£4,123 GBP
Retailer 15£4,445 GBP
Retailer 4£6,166 GBP
NZ Jewellers£6,492 GBP

7 data points across 15 retailers

15 retailers£2,872 GBP to £6,492 GBP

A
Cheapest Retailer
-
£2,872 GBP
B+
Retailer 2
-
£3,068 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,181 GBP
View
B+
Retailer 4
-
£3,386 GBP
View
B+
Retailer 5
-
£3,424 GBP
View
B+
Retailer 6
-
£3,788 GBP
View
B+
Retailer 7
-
£3,814 GBP
View
B
Retailer 8
-
£3,882 GBP
View
B
Retailer 9
-
£3,882 GBP
View
B+
Retailer 10
-
£3,960 GBP
View
B
Retailer 11
-
£3,996 GBP
View
B
Retailer 12
-
£4,123 GBP
View
B
Retailer 13
-
£4,445 GBP
View
B
Retailer 14
-
£6,166 GBP
View
Most Expensive
B
NZ Jewellers
63ccc911-455e-498f-a359-278ae90f3113 · Nov 5
£6,492 GBP
$8,690 USD
View
14 more retailers have this diamond
Prices start from £2,872 GBPSave up to £3,620 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.

A
1.20ct Marquise
£2,872 GBP