Marquise|Natural|IGI

1.01ct J SI1 Marquise Natural Diamond

EX • J/SI1 • IGI 805693963

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 805693963

Diamond specifications and retailer prices

From $1,228 USD
As of November 6, 2026
Save $2,513 USD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,741 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct 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 and certified by IGI 805693963. Listed at 16 retailers as of November 5, 2026, with prices from $1,228 to $3,741, a $2,513 spread on the same certified stone. NZ Jewellers lists it at $3,741. 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

1.01
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.3°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 805693963
Dimensions10.24 × 5.14 × 3.27 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
10.24 mm5.14 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 805693963
Side View
Table 61.0%Crown 38.3°Girdle: Slightly ThickPavilion 40°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 6
Current: $3,741 USD|Low: $1,228 USD|High: $3,741 USD|Avg: $1,852 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
November 6, 2026
Retailer 2$1,228 USD
Retailer 5$1,415 USD
Retailer 6$1,487 USD
Retailer 4$1,528 USD
Retailer 3$1,534 USD
Retailer 12$1,534 USD
Retailer 13$1,604 USD
Retailer 7$1,723 USD
Retailer 10$1,770 USD
Retailer 8$1,871 USD
Retailer 11$2,093 USD
Retailer 9$2,679 USD
NZ Jewellers$3,741 USD

26 data points across 13 retailers

16 retailers$1,228 USD to $3,741 USD

A
Cheapest Retailer
-
$1,228 USD
A
Retailer 2
-
$1,415 USD
View
Final sale: no returns
A
Retailer 3
-
$1,421 USD
View
A
Retailer 4
-
$1,487 USD
View
A
Retailer 5
-
$1,528 USD
View
Retailer 6
-
$1,534 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,534 USD
View
A
Retailer 8
-
$1,604 USD
View
B+
Retailer 9
-
$1,620 USD
View
B+
Retailer 10
-
$1,669 USD
View
B+
Retailer 11
-
$1,723 USD
View
A
Retailer 12
-
$1,770 USD
View
A
Retailer 13
-
$1,871 USD
View
B+
Retailer 14
-
$2,093 USD
View
B
Retailer 15
-
$2,679 USD
View
Most Expensive
B
NZ Jewellers
cedf99a2-de37-4dc7-a586-ecf45c7fde6b · Nov 5
$3,741 USD
View
15 more retailers have this diamond
Prices start from $1,228 USDSave up to $2,513 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
1.01ct Marquise
$1,228 USD