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Marquise|Lab Grown|IGI

1.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818661409

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818661409

Diamond specifications and retailer prices

From $266 AUD
$187 USD
As of October 30, 2026
Save $1,570 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,836 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818661409 or 818661409. Listed at 21 retailers as of October 26, 2026, with prices from $266 to $1,836, a $1,570 spread on the same certified stone. Brilliant Earth lists it at $1,836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661409
Dimensions10.88 × 5.27 × 3.23 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.88 mm5.27 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661409
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

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 30
Current: $1,836 AUD|Low: $298 AUD|High: $1,936 AUD|Avg: $859 AUD|-5.1%
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
October 30, 2026
Retailer 3$298 AUD
Retailer 5$329 AUD
Retailer 15$405 AUD
Retailer 10$444 AUD
Retailer 8$544 AUD
Retailer 11$565 AUD
Retailer 2$595 AUD
Retailer 7$658 AUD
Retailer 12$803 AUD
Retailer 14$834 AUD
Retailer 6$1,059 AUD
Retailer 9$1,221 AUD
Retailer 13$1,542 AUD
Retailer 4$1,638 AUD
Brilliant Earth$1,836 AUD

45 data points across 15 retailers

21 retailers$266 AUD to $1,836 AUD

A
Cheapest Retailer
-
$266 AUD
$187 USD
A
Retailer 2
-
$298 AUD
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$307 AUD
$216 USD
View
A
Retailer 4
-
$329 AUD
$231 USD
View
A
Retailer 5
-
$329 AUD
$231 USD
View
Retailer 6
-
$405 AUD
£224 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$444 AUD
$312 USD
View
A
Retailer 8
-
$544 AUD
€364 EUR
View
A
Retailer 9
-
$565 AUD
ZAR 6,417 ZAR
View
A
Retailer 10
-
$595 AUD
£329 GBP
View
A
Retailer 11
-
$618 AUD
$434 USD
View
A
Retailer 12
-
$658 AUD
$462 USD
View
B+
Retailer 13
-
$803 AUD
View
B+
Retailer 14
-
$834 AUD
$586 USD
View
B+
Retailer 15
-
$1,059 AUD
$744 USD
View
B
Retailer 16
-
$1,103 AUD
$775 USD
View
B
Retailer 17
-
$1,135 AUD
$798 USD
View
B
Retailer 18
-
$1,221 AUD
View
B
Retailer 19
-
$1,542 AUD
£853 GBP
View
B
Retailer 20
-
$1,638 AUD
$1,151 USD
View
Most Expensive
B
Brilliant Earth
20988727A · Oct 26
$1,836 AUD
$1,290 USD
View
20 more retailers have this diamond
Prices start from $266 AUDSave up to $1,570 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
1.05ct Marquise
$266 AUD