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Marquise|Natural|IGI

1.50ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 608304917

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 608304917

Diamond specifications and retailer prices

From $3,622 USD
As of November 6, 2026
Save $4,770 USD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,392 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 608304917. Listed at 18 retailers as of November 5, 2026, with prices from $3,622 to $8,392, a $4,770 spread on the same certified stone. NZ Jewellers lists it at $8,392. 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

1.50
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.9°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 608304917
Dimensions11.34 × 6.03 × 3.59 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Top View
11.34 mm6.03 mm1.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 608304917
Side View
Table 64.0%Crown 37.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.5%

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 6
Current: $8,392 USD|Low: $3,622 USD|High: $8,392 USD|Avg: $5,278 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
November 7, 2026
Retailer 7$3,622 USD
Retailer 10$4,220 USD
Retailer 8$4,609 USD
Retailer 3$4,817 USD
Retailer 11$4,817 USD
Retailer 6$4,833 USD
Retailer 2$5,117 USD
Retailer 12$5,140 USD
Retailer 4$5,558 USD
Retailer 9$5,876 USD
Retailer 5$7,630 USD
NZ Jewellers$8,392 USD

27 data points across 12 retailers

18 retailers$3,622 USD to $8,392 USD

A
Cheapest Retailer
-
$3,622 USD
B+
Retailer 2
-
$4,201 USD
View
B+
Retailer 3
-
$4,220 USD
View
B+
Retailer 4
-
$4,240 USD
View
B+
Retailer 5
-
$4,446 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,540 USD
View
B+
Retailer 7
-
$4,609 USD
View
B+
Retailer 8
-
$4,817 USD
View
Retailer 9
-
$4,817 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,817 USD
View
B+
Retailer 11
-
$4,833 USD
View
B+
Retailer 12
-
$4,967 USD
View
Retailer 13
-
$5,117 USD
View
B+
Retailer 14
-
$5,140 USD
View
B+
Retailer 15
-
$5,558 USD
View
B+
Retailer 16
-
$5,876 USD
View
B
Retailer 17
-
$7,630 USD
View
Most Expensive
B
NZ Jewellers
b58f0886-c6a0-4eee-9b80-2efcdd9aa07d · Nov 5
$8,392 USD
View
17 more retailers have this diamond
Prices start from $3,622 USDSave up to $4,770 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
1.50ct Marquise
$3,622 USD