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Marquise|Natural|IGI

1.00ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 713503893

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 713503893

Diamond specifications and retailer prices

From $1,530 USD
As of November 4, 2026
Save $2,566 USD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,096 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 713503893. Listed at 14 retailers as of November 4, 2026, with prices from $1,530 to $4,096, a $2,566 spread on the same certified stone. NZ Jewellers lists it at $4,096. 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
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle32.3°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 713503893
Dimensions9.82 × 5.44 × 3.22 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
9.82 mm5.44 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 713503893
Side View
Table 54.0%Crown 32.3°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 59.2%

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 4
Current: $4,096 USD|Low: $1,421 USD|High: $4,096 USD|Avg: $1,993 USD
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
November 6, 2026
Retailer 5$1,530 USD
Retailer 10$1,549 USD
Retailer 11$1,575 USD
Retailer 15$1,650 USD
Retailer 2$1,651 USD
Retailer 4$1,679 USD
Retailer 14$1,679 USD
Retailer 12$1,757 USD
Retailer 13$1,758 USD
Retailer 6$1,816 USD
Retailer 3$1,938 USD
Retailer 7$2,003 USD
Retailer 8$2,283 USD
Retailer 9$2,942 USD
NZ Jewellers$4,096 USD

45 data points across 15 retailers

14 retailers$1,530 USD to $4,096 USD

B+
Cheapest Retailer
-
$1,530 USD
B+
Retailer 2
-
$1,549 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,575 USD
View
B+
Retailer 4
-
$1,650 USD
View
A
Retailer 5
-
$1,651 USD
View
Retailer 6
-
$1,679 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,679 USD
View
B+
Retailer 8
-
$1,757 USD
View
B+
Retailer 9
-
$1,758 USD
View
B+
Retailer 10
-
$1,816 USD
View
B+
Retailer 11
-
$1,938 USD
View
B+
Retailer 12
-
$2,283 USD
View
B
Retailer 13
-
$2,942 USD
View
Most Expensive
C
NZ Jewellers
f9af246c-69d1-49b5-8192-a1ba5c950ed1 · Nov 5
$4,096 USD
View
13 more retailers have this diamond
Prices start from $1,530 USDSave up to $2,566 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
$1,530 USD