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Marquise|Natural|IGI

1.02ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 803629414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629414

Diamond specifications and retailer prices

From $1,554 USD
As of November 6, 2026
Save $2,668 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,222 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629414. Listed at 17 retailers as of November 5, 2026, with prices from $1,554 to $4,222, a $2,668 spread on the same certified stone. NZ Jewellers lists it at $4,222. 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

1.02
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 803629414
Dimensions9.92 × 5.19 × 3.35 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
9.92 mm5.19 mm1.02 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629414
Side View
Table 62.0%Crown 39.6°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.5%

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: $4,222 USD|Low: $1,554 USD|High: $4,307 USD|Avg: $2,095 USD|-2.0%
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 6, 2026
Retailer 9$1,554 USD
Retailer 2$1,573 USD
Retailer 10$1,654 USD
Retailer 5$1,731 USD
Retailer 6$1,746 USD
Retailer 8$1,766 USD
Retailer 16$1,795 USD
Retailer 3$1,811 USD
Retailer 7$1,813 USD
Retailer 11$1,842 USD
Retailer 12$1,924 USD
Retailer 13$1,968 USD
Retailer 14$2,112 USD
Retailer 4$2,205 USD
Retailer 15$3,023 USD
NZ Jewellers$4,222 USD

32 data points across 16 retailers

17 retailers$1,554 USD to $4,222 USD

A
Cheapest Retailer
-
$1,554 USD
A
Retailer 2
-
$1,573 USD
View
Final sale: no returns
A
Retailer 3
-
$1,654 USD
View
A
Retailer 4
-
$1,731 USD
View
B+
Retailer 5
-
$1,746 USD
View
Retailer 6
-
$1,766 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,779 USD
View
B+
Retailer 8
-
$1,795 USD
View
B+
Retailer 9
-
$1,811 USD
View
B+
Retailer 10
-
$1,813 USD
View
B+
Retailer 11
-
$1,842 USD
View
B+
Retailer 12
-
$1,924 USD
View
B+
Retailer 13
-
$1,968 USD
View
B+
Retailer 14
-
$2,112 USD
View
B+
Retailer 15
-
$2,205 USD
View
B
Retailer 16
-
$3,023 USD
View
Most Expensive
C
NZ Jewellers
c637be51-bcd9-4001-aeef-57a905e8dd0c · Nov 5
$4,222 USD
View
16 more retailers have this diamond
Prices start from $1,554 USDSave up to $2,668 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
1.02ct Marquise
$1,554 USD