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Marquise|Natural|IGI

1.51ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 811694563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694563

Diamond specifications and retailer prices

From $4,157 USD
₹395,894 INR
As of November 1, 2026
Save $4,389 USD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,546 USD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 811694563. Listed at 15 retailers as of October 30, 2026, with prices from $4,157 to $8,546, a $4,389 spread on the same certified stone. NZ Jewellers lists it at $8,546. 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
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle44.6°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 811694563
Dimensions11.15 × 5.86 × 3.70 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
11.15 mm5.86 mm1.51 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateIGI 811694563
Side View
Table 61.0%Crown 44.6°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 63.1%

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 1
Current: $8,546 USD|Low: $4,157 USD|High: $9,159 USD|Avg: $5,433 USD|-6.7%
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
November 1, 2026
Retailer 8$4,157 USD
Retailer 10$4,340 USD
Retailer 9$4,430 USD
Retailer 15$4,454 USD
Retailer 5$4,528 USD
Retailer 11$4,536 USD
Retailer 12$4,813 USD
Retailer 14$4,863 USD
Retailer 2$5,270 USD
Retailer 6$5,433 USD
Retailer 7$5,476 USD
Retailer 4$5,551 USD
Retailer 3$5,660 USD
Retailer 13$7,667 USD
NZ Jewellers$8,546 USD

14 data points across 15 retailers

15 retailers$4,157 USD to $8,546 USD

A
Cheapest Retailer
-
$4,157 USD
₹395,894 INR
A
Retailer 2
-
$4,340 USD
View
A
Retailer 3
-
$4,430 USD
View
A
Retailer 4
-
$4,454 USD
View
A
Retailer 5
-
$4,528 USD
View
Final sale: no returns
A
Retailer 6
-
$4,536 USD
£3,571 GBP
View
A
Retailer 7
-
$4,813 USD
View
A
Retailer 8
-
$4,863 USD
View
A
Retailer 9
-
$5,270 USD
View
Retailer 10
-
$5,433 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$5,476 USD
View
Price last confirmed 17 days ago
A
Retailer 12
-
$5,551 USD
€5,287 EUR
View
A
Retailer 13
-
$5,660 USD
View
B+
Retailer 14
-
$7,667 USD
£6,037 GBP
View
Most Expensive
B+
NZ Jewellers
157ccc28-e7ba-430a-803f-13a072cb24b5 · Oct 30
$8,546 USD
View
14 more retailers have this diamond
Prices start from $4,157 USDSave up to $4,389 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
1.51ct Marquise
$4,157 USD