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Marquise|Natural|GIA

1.06ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6541731721

Certificate GIA 6541731721

Diamond specifications and retailer prices

From $1,692 USD
As of November 6, 2026
Save $2,418 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,110 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.06ct natural marquise diamond

This 1.06ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541731721. Listed at 11 retailers as of November 4, 2026, with prices from $1,692 to $4,110, a $2,418 spread on the same certified stone. MOH London lists it at $4,110. 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

1.06
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.73°
Pavilion angle41.23°
OriginNatural
Grading LabGIA
CertificateGIA 6541731721
Dimensions10.13 × 5.29 × 3.41 mm
L/W Ratio1.91
Top View
10.13 mm5.29 mm1.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541731721
Side View
Table 58.0%Crown 39.73°Girdle: STK-THKPavilion 41.23°Culet: NoneDepth 64.5%

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: $4,110 USD|Low: $1,034 USD|High: $4,110 USD|Avg: $1,813 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 6$1,034 USD
Retailer 13$1,192 USD
Retailer 3$1,398 USD
Retailer 5$1,498 USD
Retailer 7$1,692 USD
Retailer 14$1,883 USD
Retailer 4$2,054 USD
Retailer 11$2,055 USD
Retailer 10$2,150 USD
Retailer 15$2,290 USD
Retailer 2$2,324 USD
Retailer 9$2,556 USD
Retailer 8$2,870 USD
Retailer 12$2,925 USD
MOH London$4,110 USD

11 data points across 15 retailers

11 retailers$1,692 USD to $4,110 USD

Retailer 1
-
$1,398 USD
Price last confirmed 22 days ago
Retailer 2
-
$1,498 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,692 USD
View
B+
Retailer 4
-
$2,055 USD
View
B+
Retailer 5
-
$2,150 USD
View
Retailer 6
-
$2,290 USD
View
Price last confirmed 23 days ago
B+
Retailer 7
-
$2,324 USD
View
B+
Retailer 8
-
$2,556 USD
View
B
Retailer 9
-
$2,870 USD
View
B
Retailer 10
-
$2,925 USD
View
Most Expensive
B
MOH London
A35BCB829 · Nov 4
$4,110 USD
£3,236 GBP
View
10 more retailers have this diamond
Prices start from $1,692 USDSave up to $2,418 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
1.06ct Marquise
$1,692 USD