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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 $5,916 AUD
₹395,766 INR
As of November 2, 2026
Save $6,250 AUD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,166 AUD 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 $5,916 to $12,166, a $6,250 spread on the same certified stone. NZ Jewellers lists it at $12,166. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $12,166 AUD|Low: $5,916 AUD|High: $13,039 AUD|Avg: $7,719 AUD|-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 2, 2026
Retailer 2$5,916 AUD
Retailer 13$6,178 AUD
Retailer 12$6,307 AUD
Retailer 10$6,325 AUD
Retailer 4$6,340 AUD
Retailer 8$6,457 AUD
Retailer 14$6,852 AUD
Retailer 3$6,923 AUD
Retailer 11$7,502 AUD
Retailer 6$7,734 AUD
Retailer 9$7,753 AUD
Retailer 7$7,796 AUD
Retailer 5$8,058 AUD
Retailer 15$10,915 AUD
NZ Jewellers$12,166 AUD

15 data points across 15 retailers

15 retailers$5,916 AUD to $12,166 AUD

A
Cheapest Retailer
-
$5,916 AUD
₹395,766 INR
A
Retailer 2
-
$6,178 AUD
$4,340 USD
View
A
Retailer 3
-
$6,307 AUD
$4,430 USD
View
A
Retailer 4
-
$6,325 AUD
$4,443 USD
View
Final sale: no returns
A
Retailer 5
-
$6,340 AUD
$4,454 USD
View
A
Retailer 6
-
$6,457 AUD
£3,571 GBP
View
A
Retailer 7
-
$6,852 AUD
$4,813 USD
View
A
Retailer 8
-
$6,923 AUD
$4,863 USD
View
A
Retailer 9
-
$7,502 AUD
$5,270 USD
View
Retailer 10
-
$7,734 AUD
$5,433 USD
View
Price last confirmed 16 days ago
A
Retailer 11
-
$7,753 AUD
€5,187 EUR
View
Retailer 12
-
$7,796 AUD
$5,476 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$8,058 AUD
$5,660 USD
View
B+
Retailer 14
-
$10,915 AUD
£6,037 GBP
View
Most Expensive
B+
NZ Jewellers
157ccc28-e7ba-430a-803f-13a072cb24b5 · Oct 30
$12,166 AUD
$8,546 USD
View
14 more retailers have this diamond
Prices start from $5,916 AUDSave up to $6,250 AUD

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
$5,916 AUD