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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 $750 SGD
As of November 1, 2026
Save $1,249 SGD (62%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,999 SGD 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 $750 to $1,999, a $1,249 spread on the same certified stone. MOH London lists it at $1,999. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,999 SGD|Low: $750 SGD|High: $2,025 SGD|Avg: $1,203 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$750 SGD
Retailer 5$928 SGD
Retailer 2$1,068 SGD
Retailer 3$1,228 SGD
MOH London$1,999 SGD

43 data points across 5 retailers

5 retailers$750 SGD to $1,999 SGD

B+
Cheapest Retailer
-
$750 SGD
B+
Retailer 2
-
$928 SGD
View
B+
Retailer 3
-
$1,068 SGD
View
B
Retailer 4
-
$1,228 SGD
View
Most Expensive
C
MOH London
CA5C6CB42 · Nov 4
$1,999 SGD
£1,228 GBP
View
4 more retailers have this diamond
Prices start from $750 SGDSave up to $1,249 SGD

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
$750 SGD