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Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551181654

Certificate GIA 7551181654

Diamond specifications and retailer prices

From $1,390 SGD
As of November 6, 2026
Save $1,864 SGD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,254 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-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 7551181654. Listed at 11 retailers as of November 4, 2026, with prices from $1,390 to $3,254, a $1,864 spread on the same certified stone. MOH London lists it at $3,254. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551181654
Dimensions9.36 × 5.22 × 3.33 mm
L/W Ratio1.79
Top View
9.36 mm5.22 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551181654
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.7%

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 6
Current: $3,254 SGD|Low: $1,390 SGD|High: $3,841 SGD|Avg: $2,282 SGD|-15.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$1,390 SGD
Retailer 8$1,726 SGD
Retailer 11$1,908 SGD
Retailer 3$1,910 SGD
Retailer 4$1,921 SGD
Retailer 2$2,035 SGD
Retailer 5$2,055 SGD
Retailer 6$2,062 SGD
Retailer 7$2,272 SGD
Retailer 10$2,595 SGD
MOH London$3,254 SGD

41 data points across 11 retailers

11 retailers$1,390 SGD to $3,254 SGD

A
Cheapest Retailer
-
$1,390 SGD
A
Retailer 2
-
$1,726 SGD
View
Retailer 3
-
$1,908 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,910 SGD
View
A
Retailer 5
-
$1,921 SGD
View
A
Retailer 6
-
$2,035 SGD
View
A
Retailer 7
-
$2,055 SGD
View
A
Retailer 8
-
$2,062 SGD
View
A
Retailer 9
-
$2,272 SGD
View
B+
Retailer 10
-
$2,595 SGD
View
Most Expensive
B+
MOH London
7158E63F4 · Nov 4
$3,254 SGD
£2,006 GBP
View
10 more retailers have this diamond
Prices start from $1,390 SGDSave up to $1,864 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.

A
1.01ct Marquise
$1,390 SGD