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Marquise|Natural|GIA

0.70ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 2556621186

Certificate GIA 2556621186

Diamond specifications and retailer prices

From £616 GBP
As of November 2, 2026
Save £902 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,517 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556621186. Listed at 5 retailers as of November 2, 2026, with prices from £616 to £1,517, a £902 spread on the same certified stone. MOH London lists it at £1,517. 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

0.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556621186
Dimensions8.90 × 4.55 × 2.93 mm
L/W Ratio1.96
Key to symbols
Twinning Wisp
Top View
8.90 mm4.55 mm0.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2556621186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £1,517 GBP|Low: £614 GBP|High: £1,538 GBP|Avg: £1,020 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£616 GBP
Retailer 5£877 GBP
Retailer 2£936 GBP
Retailer 3£1,157 GBP
MOH London£1,517 GBP

45 data points across 5 retailers

5 retailers£616 GBP to £1,517 GBP

A
Cheapest Retailer
-
£616 GBP
B
Retailer 2
-
£877 GBP
View
B
Retailer 3
-
£936 GBP
View
B
Retailer 4
-
£1,157 GBP
View
Most Expensive
B
MOH London
B73F62D6F · Nov 4
£1,517 GBP
View
4 more retailers have this diamond
Prices start from £616 GBPSave up to £902 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
0.70ct Marquise
£616 GBP