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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6545317133

Certificate GIA 6545317133

Diamond specifications and retailer prices

From $3,008 USD
As of November 1, 2026
Save $3,597 USD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,605 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545317133. Listed at 23 retailers as of November 1, 2026, with prices from $3,008 to $6,605, a $3,597 spread on the same certified stone. MOH London lists it at $6,605. 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

1.00
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545317133
Dimensions11.15 × 4.92 × 3.16 mm
L/W Ratio2.27
Top View
11.15 mm4.92 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545317133
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.1%

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 1
Current: $6,605 USD|Low: $2,982 USD|High: $6,695 USD|Avg: $4,177 USD|-1.3%
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 4, 2026
Retailer 12$3,008 USD
Retailer 9$3,142 USD
Retailer 10$3,522 USD
Retailer 3$3,535 USD
Retailer 15$3,574 USD
Retailer 4$3,646 USD
Retailer 13$3,770 USD
Retailer 6$3,796 USD
Retailer 2$4,000 USD
Retailer 5$4,096 USD
Retailer 7$4,248 USD
Retailer 8$4,452 USD
Retailer 11$4,855 USD
Retailer 14$5,930 USD
MOH London$6,605 USD

28 data points across 15 retailers

23 retailers$3,008 USD to $6,605 USD

A
Cheapest Retailer
-
$3,008 USD
A
Retailer 2
-
$3,142 USD
View
A
Retailer 3
-
$3,522 USD
View
B+
Retailer 4
-
$3,535 USD
View
B+
Retailer 5
-
$3,574 USD
View
B+
Retailer 6
-
$3,646 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,680 USD
View
B+
Retailer 8
-
$3,770 USD
View
Retailer 9
-
$3,796 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,937 USD
View
Retailer 11
-
$3,966 USD
View
Price last confirmed 34 days ago
Retailer 12
-
$3,966 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$3,966 USD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$4,000 USD
View
Retailer 15
-
$4,016 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
$4,096 USD
View
Retailer 17
-
$4,248 USD
View
Price last confirmed 27 days ago
B+
Retailer 18
-
$4,452 USD
View
Retailer 19
-
$4,577 USD
View
Price last confirmed 36 days ago
Retailer 20
-
$4,634 USD
View
Price last confirmed 43 days ago
B+
Retailer 21
-
$4,855 USD
View
B
Retailer 22
-
$5,930 USD
View
Most Expensive
B
MOH London
89858AF2C · Nov 2
$6,605 USD
£5,201 GBP
View
22 more retailers have this diamond
Prices start from $3,008 USDSave up to $3,597 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
1.00ct Marquise
$3,008 USD