Marquise|Natural|GIA

1.00ct M SI1 Marquise Natural Diamond

VG • M/SI1 • GIA 6551617543

Certificate GIA 6551617543

Diamond specifications and retailer prices

From $652 USD
As of November 6, 2026
Save $610 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,262 USD at Yorxs · As of November 3, 2026
View at Yorxs

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551617543. Listed at 9 retailers as of November 3, 2026, with prices from $652 to $1,262, a $610 spread on the same certified stone. Yorxs lists it at $1,262. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
M
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551617543
Dimensions9.29 × 5.14 × 3.30 mm
L/W Ratio1.81
Top View
9.29 mm5.14 mm1.00 ctM / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6551617543
Side View
Table 70.0%CrownGirdlePavilionCuletDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $857 USD|Low: $652 USD|High: $1,513 USD|Avg: $1,035 USD|-10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 6$652 USD
Retailer 1$857 USD
Retailer 5$884 USD
Retailer 8$927 USD
Retailer 2$1,005 USD
Retailer 7$1,006 USD
Retailer 3$1,035 USD
Retailer 4$1,064 USD
Yorxs$1,262 USD

35 data points across 9 retailers

9 retailers$652 USD to $1,262 USD

B+
Cheapest Retailer
-
$652 USD
B+
Retailer 2
-
$857 USD
View
B+
Retailer 3
-
$884 USD
View
B+
Retailer 4
-
$1,005 USD
View
B+
Retailer 5
-
$1,006 USD
View
B+
Retailer 6
-
$1,035 USD
View
B+
Retailer 7
-
$1,064 USD
View
Retailer 8
-
$1,226 USD
View
Price last confirmed 60 days ago
Most Expensive
B+
Yorxs
85E9AFC87 · Nov 3
$1,262 USD
€1,202 EUR
View
8 more retailers have this diamond
Prices start from $652 USDSave up to $610 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.

B+
1.00ct Marquise
$652 USD