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Marquise|Natural|IGI

1.00ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 743559200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 743559200

Diamond specifications and retailer prices

From $1,504 USD
As of November 5, 2026
Save $3,249 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,753 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 743559200. Listed at 16 retailers as of November 5, 2026, with prices from $1,504 to $4,753, a $3,249 spread on the same certified stone. NZ Jewellers lists it at $4,753. 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
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.3°
OriginNatural
Grading LabIGI
CertificateIGI 743559200
Dimensions9.54 × 5.08 × 3.23 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
9.54 mm5.08 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743559200
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 63.6%

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 5
Current: $4,753 USD|Low: $1,504 USD|High: $4,875 USD|Avg: $2,243 USD|-2.5%
NZ Jewellers
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
Retailer 16
November 5, 2026
Retailer 9$1,504 USD
Retailer 6$1,735 USD
Retailer 3$1,799 USD
Retailer 4$1,804 USD
Retailer 2$1,914 USD
Retailer 8$1,949 USD
Retailer 15$1,949 USD
Retailer 16$1,949 USD
Retailer 13$2,039 USD
Retailer 11$2,044 USD
Retailer 7$2,050 USD
Retailer 14$2,086 USD
Retailer 5$2,248 USD
Retailer 12$2,613 USD
Retailer 10$3,404 USD
NZ Jewellers$4,753 USD

26 data points across 16 retailers

16 retailers$1,504 USD to $4,753 USD

A
Cheapest Retailer
-
$1,504 USD
A
Retailer 2
-
$1,735 USD
View
B+
Retailer 3
-
$1,799 USD
View
Final sale: no returns
A
Retailer 4
-
$1,804 USD
View
A
Retailer 5
-
$1,914 USD
View
A
Retailer 6
-
$1,949 USD
View
A
Retailer 7
-
$1,949 USD
View
Retailer 8
-
$1,949 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,039 USD
View
B+
Retailer 10
-
$2,044 USD
View
A
Retailer 11
-
$2,050 USD
View
A
Retailer 12
-
$2,086 USD
View
A
Retailer 13
-
$2,248 USD
View
A
Retailer 14
-
$2,613 USD
View
B+
Retailer 15
-
$3,404 USD
View
Most Expensive
B
NZ Jewellers
073de9d3-30fb-4102-afa0-0fd698c9c753 · Nov 5
$4,753 USD
View
15 more retailers have this diamond
Prices start from $1,504 USDSave up to $3,249 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
$1,504 USD