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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828664186

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828664186

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 30, 2026
Save $1,654 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,022 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 LG828664186 or 828664186. Listed at 20 retailers as of October 30, 2026, with prices from $367 to $2,022, a $1,654 spread on the same certified stone. Brilliant Earth lists it at $2,022. 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 angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664186
Dimensions11.87 × 6.04 × 3.79 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm6.04 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664186
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.7%

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: $2,022 AUD|Low: $367 AUD|High: $2,420 AUD|Avg: $960 AUD|-16.5%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 17$367 AUD
Retailer 3$410 AUD
Retailer 6$426 AUD
Retailer 18$456 AUD
Retailer 11$460 AUD
Retailer 12$532 AUD
Retailer 5$612 AUD
Retailer 15$612 AUD
Retailer 7$783 AUD
Retailer 10$786 AUD
Retailer 19$831 AUD
Retailer 13$870 AUD
Retailer 9$1,061 AUD
Retailer 16$1,399 AUD
Retailer 14$1,463 AUD
Retailer 8$1,465 AUD
Retailer 4$1,658 AUD
Retailer 2$1,824 AUD
Brilliant Earth$2,022 AUD

25 data points across 19 retailers

20 retailers$367 AUD to $2,022 AUD

A
Cheapest Retailer
-
$367 AUD
$258 USD
A
Retailer 2
-
$410 AUD
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$426 AUD
$299 USD
View
A
Retailer 4
-
$456 AUD
$320 USD
View
Retailer 5
-
$460 AUD
$323 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$510 AUD
HK$2,800 HKD
View
A
Retailer 7
-
$532 AUD
£294 GBP
View
B+
Retailer 8
-
$612 AUD
$430 USD
View
A
Retailer 9
-
$612 AUD
$430 USD
View
A
Retailer 10
-
$783 AUD
ZAR 8,880 ZAR
View
Retailer 11
-
$786 AUD
€526 EUR
View
Price last confirmed 7 days ago
A
Retailer 12
-
$831 AUD
$584 USD
View
A
Retailer 13
-
$870 AUD
£481 GBP
View
B+
Retailer 14
-
$1,061 AUD
View
B+
Retailer 15
-
$1,399 AUD
$983 USD
View
B+
Retailer 16
-
$1,463 AUD
$1,028 USD
View
B+
Retailer 17
-
$1,465 AUD
SGD 1,391 SGD
View
B
Retailer 18
-
$1,658 AUD
$1,165 USD
View
B
Retailer 19
-
$1,824 AUD
£1,009 GBP
View
Most Expensive
B
Brilliant Earth
21119334A · Oct 31
$2,022 AUD
$1,420 USD
View
19 more retailers have this diamond
Prices start from $367 AUDSave up to $1,654 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
$367 AUD