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Marquise|Natural|GIA

1.56ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6237723931

Certificate GIA 6237723931

Diamond specifications and retailer prices

From £5,122 GBP
HK$53,700 HKD
As of November 1, 2026
Save £4,470 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £9,593 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct natural marquise diamond

This 1.56ct natural marquise sits in the one-and-a-half to two 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 6237723931. Listed at 5 retailers as of November 1, 2026, with prices from £5,122 to £9,593, a £4,470 spread on the same certified stone. MOH London lists it at £9,593. 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

1.56
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6237723931
Dimensions12.38 × 5.81 × 3.58 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizeSmall
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Bruise, Natural
Top View
12.38 mm5.81 mm1.56 ctG / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 6237723931
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: SmallDepth 61.6%

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 1
Current: £9,593 GBP|Low: £5,122 GBP|High: £9,708 GBP|Avg: £7,229 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5£5,122 GBP
Retailer 3£6,369 GBP
Retailer 2£7,136 GBP
Retailer 4£7,579 GBP
MOH London£9,593 GBP

42 data points across 5 retailers

5 retailers£5,122 GBP to £9,593 GBP

A
Cheapest Retailer
-
£5,122 GBP
HK$53,700 HKD
B+
Retailer 2
-
£6,369 GBP
View
B+
Retailer 3
-
£7,136 GBP
€9,120 EUR
View
Retailer 4
-
£7,579 GBP
$10,171 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
35FE23CFC · Nov 1
£9,593 GBP
View
4 more retailers have this diamond
Prices start from £5,122 GBPSave up to £4,470 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
1.56ct Marquise
£5,122 GBP