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Marquise|Natural|IGI

1.51ct L SI2 Marquise Natural Diamond

VG • L/SI2 • IGI 788607795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607795

Diamond specifications and retailer prices

From $2,183 USD
As of November 6, 2026
Save $2,946 USD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,129 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607795. Listed at 11 retailers as of November 5, 2026, with prices from $2,183 to $5,129, a $2,946 spread on the same certified stone. NZ Jewellers lists it at $5,129. 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

1.51
Carat
L
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 788607795
Dimensions11.11 × 5.94 × 3.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
11.11 mm5.94 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607795
Side View
Table 58.0%Crown 43.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,129 USD|Low: $2,183 USD|High: $5,286 USD|Avg: $2,864 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$2,183 USD
Retailer 11$2,402 USD
Retailer 5$2,440 USD
Retailer 10$2,453 USD
Retailer 3$2,529 USD
Retailer 6$2,556 USD
Retailer 9$2,566 USD
Retailer 12$2,581 USD
Retailer 8$2,789 USD
Retailer 7$3,000 USD
Retailer 4$3,008 USD
NZ Jewellers$5,129 USD

43 data points across 12 retailers

11 retailers$2,183 USD to $5,129 USD

B+
Cheapest Retailer
-
$2,183 USD
B+
Retailer 2
-
$2,402 USD
View
B+
Retailer 3
-
$2,440 USD
View
B+
Retailer 4
-
$2,453 USD
View
Retailer 5
-
$2,529 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,556 USD
View
B+
Retailer 7
-
$2,566 USD
View
B+
Retailer 8
-
$2,581 USD
View
B+
Retailer 9
-
$2,789 USD
View
B+
Retailer 10
-
$3,000 USD
View
Most Expensive
C
NZ Jewellers
1593ac59-6a09-4efc-bda3-2d27ad30e31a · Nov 5
$5,129 USD
View
10 more retailers have this diamond
Prices start from $2,183 USDSave up to $2,946 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.

B+
1.51ct Marquise
$2,183 USD