Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG794610100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794610100

Diamond specifications and retailer prices

From $357 AUD
$251 USD
As of October 30, 2026
Save $1,451 AUD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,808 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG794610100 or 794610100. Listed at 23 retailers as of October 30, 2026, with prices from $357 to $1,808, a $1,451 spread on the same certified stone. Brilliant Earth lists it at $1,808. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610100
Dimensions12.19 × 5.90 × 3.71 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm5.90 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610100
Side View
Table 58.0%Crown 34°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 62.9%

Caratlytics Score

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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 30
Current: $1,808 AUD|Low: $357 AUD|High: $2,961 AUD|Avg: $1,020 AUD|-38.9%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 5$357 AUD
Retailer 4$400 AUD
Retailer 14$417 AUD
Retailer 9$444 AUD
Retailer 12$446 AUD
Retailer 13$519 AUD
Retailer 18$669 AUD
Retailer 3$743 AUD
Retailer 10$766 AUD
Retailer 21$773 AUD
Retailer 16$845 AUD
Retailer 20$868 AUD
Retailer 22$928 AUD
Retailer 11$1,039 AUD
Retailer 19$1,136 AUD
Retailer 7$1,382 AUD
Retailer 17$1,426 AUD
Retailer 6$1,432 AUD
Retailer 8$1,501 AUD
Retailer 15$1,755 AUD
Retailer 2$1,779 AUD
Brilliant Earth$1,808 AUD

23 data points across 22 retailers

23 retailers$357 AUD to $1,808 AUD

A
Cheapest Retailer
-
$357 AUD
$251 USD
A
Retailer 2
-
$400 AUD
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$417 AUD
$293 USD
View
A
Retailer 4
-
$444 AUD
$312 USD
View
Retailer 5
-
$446 AUD
$313 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$519 AUD
£287 GBP
View
A
Retailer 7
-
$669 AUD
$470 USD
View
A
Retailer 8
-
$743 AUD
$522 USD
View
A
Retailer 9
-
$766 AUD
ZAR 8,696 ZAR
View
A
Retailer 10
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$773 AUD
$543 USD
View
A
Retailer 11
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$845 AUD
£468 GBP
View
A
Retailer 12
-
$868 AUD
View
A
Retailer 13
-
$928 AUD
$652 USD
View
B+
Retailer 14
-
$1,039 AUD
View
B+
Retailer 15
-
$1,136 AUD
$798 USD
View
B+
Retailer 16
-
$1,382 AUD
$971 USD
View
B+
Retailer 17
-
$1,425 AUD
View
B+
Retailer 18
-
$1,426 AUD
$1,002 USD
View
B+
Retailer 19
-
$1,432 AUD
SGD 1,359 SGD
View
B+
Retailer 20
-
$1,501 AUD
$1,054 USD
View
B
Retailer 21
-
$1,755 AUD
$1,233 USD
View
B
Retailer 22
-
$1,779 AUD
£984 GBP
View
Most Expensive
B
Brilliant Earth
21503467A · Oct 31
$1,808 AUD
$1,270 USD
View
22 more retailers have this diamond
Prices start from $357 AUDSave up to $1,451 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
$357 AUD