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Marquise|Natural|IGI

1.50ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 794652736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 794652736

Diamond specifications and retailer prices

From $2,402 USD
As of November 7, 2026
Save $3,207 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,609 USD at NZ Jewellers · As of November 7, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 794652736. Listed at 17 retailers as of November 7, 2026, with prices from $2,402 to $5,609, a $3,207 spread on the same certified stone. NZ Jewellers lists it at $5,609. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.6°
Pavilion angle34.9°
OriginNatural
Grading LabIGI
CertificateIGI 794652736
Dimensions11.06 × 5.98 × 3.61 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
11.06 mm5.98 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 794652736
Side View
Table 57.0%Crown 38.6°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 60.4%

Caratlytics Score

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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 7
Current: $5,609 USD|Low: $2,402 USD|High: $5,609 USD|Avg: $3,136 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
Retailer 16
Retailer 17
November 7, 2026
Retailer 5$2,402 USD
Retailer 2$2,520 USD
Retailer 17$2,606 USD
Retailer 3$2,645 USD
Retailer 4$2,683 USD
Retailer 16$2,683 USD
Retailer 15$2,786 USD
Retailer 8$2,824 USD
Retailer 6$2,827 USD
Retailer 14$2,845 USD
Retailer 10$2,881 USD
Retailer 7$3,096 USD
Retailer 9$3,110 USD
Retailer 11$3,129 USD
Retailer 12$3,275 USD
Retailer 13$4,688 USD
NZ Jewellers$5,609 USD

45 data points across 17 retailers

17 retailers$2,402 USD to $5,609 USD

A
Cheapest Retailer
-
$2,402 USD
A
Retailer 2
-
$2,520 USD
View
B+
Retailer 3
-
$2,606 USD
View
B+
Retailer 4
-
$2,645 USD
View
B+
Retailer 5
-
$2,683 USD
View
B+
Retailer 6
-
$2,683 USD
View
B+
Retailer 7
-
$2,786 USD
View
B+
Retailer 8
-
$2,824 USD
View
Retailer 9
-
$2,827 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$2,845 USD
View
A
Retailer 11
-
$2,881 USD
View
Retailer 12
-
$2,994 USD
View
Price last confirmed 62 days ago
B+
Retailer 13
-
$3,096 USD
View
A
Retailer 14
-
$3,129 USD
View
B+
Retailer 15
-
$3,275 USD
View
B+
Retailer 16
-
$4,688 USD
View
Most Expensive
B
NZ Jewellers
bdb78874-8953-4380-b1bc-d46fbf9fb832 · Nov 7
$5,609 USD
View
16 more retailers have this diamond
Prices start from $2,402 USDSave up to $3,207 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
$2,402 USD