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Marquise|Lab Grown|IGI

5.50ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG830675873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830675873

Diamond specifications and retailer prices

From $2,724 NZD
$1,535 USD
As of October 30, 2026
Save $8,685 NZD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,409 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830675873 or 830675873. Listed at 10 retailers as of October 30, 2026, with prices from $2,724 to $11,409, a $8,685 spread on the same certified stone. Brilliant Earth lists it at $11,409. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.50
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830675873
Dimensions18.78 × 9.19 × 5.49 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.78 mm9.19 mm5.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830675873
Side View
Table 57.0%Crown 30°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 59.7%

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: Oct 30
Current: $11,409 NZD|Low: $2,724 NZD|High: $11,409 NZD|Avg: $6,225 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$2,724 NZD
Retailer 2$2,992 NZD
Retailer 5$3,229 NZD
Retailer 4$4,592 NZD
Retailer 6$6,620 NZD
Retailer 8$6,755 NZD
Retailer 10$7,726 NZD
Retailer 7$9,131 NZD
Retailer 9$10,016 NZD
Brilliant Earth$11,409 NZD

42 data points across 10 retailers

10 retailers$2,724 NZD to $11,409 NZD

B+
Cheapest Retailer
-
$2,724 NZD
$1,535 USD
A
Retailer 2
-
$2,992 NZD
£1,328 GBP
View
A
Retailer 3
-
$3,229 NZD
€1,733 EUR
View
B+
Retailer 4
-
$4,592 NZD
$2,588 USD
View
B+
Retailer 5
-
$6,620 NZD
£2,938 GBP
View
B
Retailer 6
-
$6,755 NZD
$3,807 USD
View
Retailer 7
-
$7,726 NZD
A$6,699 AUD
View
Price last confirmed 23 days ago
B
Retailer 8
-
$9,131 NZD
$5,146 USD
View
B
Retailer 9
-
$10,016 NZD
$5,645 USD
View
Most Expensive
B
Brilliant Earth
22199715A · Oct 31
$11,409 NZD
$6,430 USD
View
9 more retailers have this diamond
Prices start from $2,724 NZDSave up to $8,685 NZD

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
5.50ct Marquise
$2,724 NZD