Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG815650355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815650355

Diamond specifications and retailer prices

From $483 AUD
$339 USD
As of October 25, 2026
Save $2,977 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,459 AUD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815650355 or 815650355. Listed at 22 retailers as of October 25, 2026, with prices from $483 to $3,459, a $2,977 spread on the same certified stone. Do Amore Diamonds lists it at $3,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815650355
Dimensions12.38 × 5.96 × 3.72 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm5.96 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815650355
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: Oct 25
Current: $3,459 AUD|Low: $373 AUD|High: $3,459 AUD|Avg: $1,318 AUD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 5$389 AUD
Retailer 3$434 AUD
Retailer 7$483 AUD
Retailer 16$612 AUD
Retailer 12$623 AUD
Retailer 15$901 AUD
Retailer 11$928 AUD
Retailer 2$979 AUD
Retailer 10$1,136 AUD
Retailer 14$1,250 AUD
Retailer 17$1,482 AUD
Retailer 6$1,486 AUD
Retailer 8$1,713 AUD
Retailer 18$1,855 AUD
Retailer 4$2,028 AUD
Retailer 9$2,083 AUD
Retailer 13$2,137 AUD
Do Amore Diamonds$3,459 AUD

39 data points across 18 retailers

22 retailers$483 AUD to $3,459 AUD

Retailer 1
-
$389 AUD
$273 USD
Price last confirmed 8 days ago
Retailer 2
-
$451 AUD
$317 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$483 AUD
$339 USD
View
A
Retailer 4
-
$606 AUD
$426 USD
View
Retailer 5
-
$612 AUD
$430 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$623 AUD
£345 GBP
View
B+
Retailer 7
-
$643 AUD
$452 USD
View
Retailer 8
-
$901 AUD
ZAR 10,223 ZAR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$928 AUD
£513 GBP
View
B+
Retailer 10
-
$979 AUD
View
Retailer 11
-
$1,136 AUD
$798 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,250 AUD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,482 AUD
$1,041 USD
View
Retailer 14
-
$1,486 AUD
View
Price last confirmed 24 days ago
B
Retailer 15
-
$1,713 AUD
$1,203 USD
View
B
Retailer 16
-
$1,855 AUD
$1,303 USD
View
B
Retailer 17
-
$1,946 AUD
$1,367 USD
View
B
Retailer 18
-
$2,028 AUD
$1,425 USD
View
B
Retailer 19
-
$2,083 AUD
£1,152 GBP
View
B
Retailer 20
-
$2,137 AUD
£1,182 GBP
View
Retailer 21
-
$2,869 AUD
$2,015 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-93294C56B · Oct 27
$3,459 AUD
$2,430 USD
View
21 more retailers have this diamond
Prices start from $483 AUDSave up to $2,977 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
1.55ct Marquise
$483 AUD