Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551181654

Certificate GIA 7551181654

Diamond specifications and retailer prices

From $1,554 AUD
As of November 6, 2026
Save $2,085 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,639 AUD 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 $1,554 to $3,639, a $2,085 spread on the same certified stone. MOH London lists it at $3,639. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,639 AUD|Low: $1,554 AUD|High: $4,296 AUD|Avg: $2,552 AUD|-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$1,554 AUD
Retailer 8$1,930 AUD
Retailer 11$2,134 AUD
Retailer 3$2,136 AUD
Retailer 4$2,148 AUD
Retailer 2$2,276 AUD
Retailer 5$2,298 AUD
Retailer 6$2,306 AUD
Retailer 7$2,541 AUD
Retailer 10$2,903 AUD
MOH London$3,639 AUD

41 data points across 11 retailers

11 retailers$1,554 AUD to $3,639 AUD

A
Cheapest Retailer
-
$1,554 AUD
A
Retailer 2
-
$1,930 AUD
View
Retailer 3
-
$2,134 AUD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,136 AUD
View
A
Retailer 5
-
$2,148 AUD
View
A
Retailer 6
-
$2,276 AUD
View
A
Retailer 7
-
$2,298 AUD
View
A
Retailer 8
-
$2,306 AUD
View
A
Retailer 9
-
$2,541 AUD
View
B+
Retailer 10
-
$2,903 AUD
View
Most Expensive
B+
MOH London
7158E63F4 · Nov 4
$3,639 AUD
£2,006 GBP
View
10 more retailers have this diamond
Prices start from $1,554 AUDSave up to $2,085 AUD

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
$1,554 AUD