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Marquise|Natural|GIA

0.67ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2233810858

Certificate GIA 2233810858

Diamond specifications and retailer prices

From £435 GBP
As of November 1, 2026
Save £724 GBP (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,159 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.67ct natural marquise diamond

This 0.67ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2233810858. Listed at 5 retailers as of November 1, 2026, with prices from £435 to £1,159, a £724 spread on the same certified stone. MOH London lists it at £1,159. 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

0.67
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2233810858
Dimensions7.86 × 4.56 × 2.92 mm
L/W Ratio1.72
Girdle conditionFaceted
Cert comments
Inscription(s): GIA 2233810858
Top View
7.86 mm4.56 mm0.67 ctK / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceStrong
CertificateGIA 2233810858
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,159 GBP|Low: £435 GBP|High: £1,174 GBP|Avg: £698 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£435 GBP
Retailer 5£538 GBP
Retailer 2£619 GBP
Retailer 3£712 GBP
MOH London£1,159 GBP

43 data points across 5 retailers

5 retailers£435 GBP to £1,159 GBP

B+
Cheapest Retailer
-
£435 GBP
B+
Retailer 2
-
£538 GBP
View
B+
Retailer 3
-
£619 GBP
View
B
Retailer 4
-
£712 GBP
View
Most Expensive
C
MOH London
CA5C6CB42 · Nov 4
£1,159 GBP
View
4 more retailers have this diamond
Prices start from £435 GBPSave up to £724 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+
0.67ct Marquise
£435 GBP