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Marquise|Natural|GIA

1.30ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6561379463

Certificate GIA 6561379463

Diamond specifications and retailer prices

From £3,693 GBP
As of November 6, 2026
Save £2,824 GBP (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,517 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half 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 6561379463. Listed at 14 retailers as of November 4, 2026, with prices from £3,693 to £6,517, a £2,824 spread on the same certified stone. MOH London lists it at £6,517. 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

1.30
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561379463
Dimensions10.38 × 5.64 × 3.64 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Indented Natural, Needle
Top View
10.38 mm5.64 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561379463
Side View
Table 61.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 64.5%

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: £6,517 GBP|Low: £3,693 GBP|High: £6,612 GBP|Avg: £4,590 GBP|-1.4%
MOH London
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
November 6, 2026
Retailer 6£3,693 GBP
Retailer 10£3,804 GBP
Retailer 12£3,981 GBP
Retailer 9£4,129 GBP
Retailer 8£4,136 GBP
Retailer 13£4,251 GBP
Retailer 7£4,325 GBP
Retailer 14£4,423 GBP
Retailer 4£4,535 GBP
Retailer 11£4,535 GBP
Retailer 5£4,684 GBP
Retailer 2£4,761 GBP
Retailer 3£6,486 GBP
MOH London£6,517 GBP

35 data points across 14 retailers

14 retailers£3,693 GBP to £6,517 GBP

A
Cheapest Retailer
-
£3,693 GBP
A
Retailer 2
-
£3,804 GBP
View
A
Retailer 3
-
£3,981 GBP
View
B+
Retailer 4
-
£4,129 GBP
View
B+
Retailer 5
-
£4,136 GBP
View
B+
Retailer 6
-
£4,251 GBP
View
B+
Retailer 7
-
£4,325 GBP
View
B+
Retailer 8
-
£4,423 GBP
View
B+
Retailer 9
-
£4,535 GBP
View
B+
Retailer 10
-
£4,535 GBP
View
B+
Retailer 11
-
£4,684 GBP
View
B+
Retailer 12
-
£4,761 GBP
View
B
Retailer 13
-
£6,486 GBP
View
Most Expensive
B
MOH London
6BDD95EF1 · Nov 4
£6,517 GBP
View
13 more retailers have this diamond
Prices start from £3,693 GBPSave up to £2,824 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
1.30ct Marquise
£3,693 GBP