Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551181654

Certificate GIA 7551181654

Diamond specifications and retailer prices

From $1,088 USD
As of November 6, 2026
Save $1,460 USD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,548 USD 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 $1,088 to $2,548, a $1,460 spread on the same certified stone. MOH London lists it at $2,548. 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
Color
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: $2,548 USD|Low: $1,088 USD|High: $3,007 USD|Avg: $1,786 USD|-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$1,088 USD
Retailer 8$1,351 USD
Retailer 11$1,494 USD
Retailer 3$1,495 USD
Retailer 4$1,504 USD
Retailer 2$1,593 USD
Retailer 5$1,609 USD
Retailer 6$1,614 USD
Retailer 7$1,779 USD
Retailer 10$2,032 USD
MOH London$2,548 USD

41 data points across 11 retailers

11 retailers$1,088 USD to $2,548 USD

A
Cheapest Retailer
-
$1,088 USD
A
Retailer 2
-
$1,351 USD
View
Retailer 3
-
$1,494 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,495 USD
View
A
Retailer 5
-
$1,504 USD
View
A
Retailer 6
-
$1,593 USD
View
A
Retailer 7
-
$1,609 USD
View
A
Retailer 8
-
$1,614 USD
View
A
Retailer 9
-
$1,779 USD
View
B+
Retailer 10
-
$2,032 USD
View
Most Expensive
B+
MOH London
7158E63F4 · Nov 4
$2,548 USD
£2,006 GBP
View
10 more retailers have this diamond
Prices start from $1,088 USDSave up to $1,460 USD

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
$1,088 USD