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Marquise|Lab Grown|IGI

1.04ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812607218

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812607218

Diamond specifications and retailer prices

From $377 AUD
$265 USD
As of October 28, 2026
Save $2,353 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,730 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.04ct lab-grown marquise diamond

This 1.04ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812607218 or 812607218. Listed at 21 retailers as of October 27, 2026, with prices from $377 to $2,730, a $2,353 spread on the same certified stone. Queensmith lists it at $2,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812607218
Dimensions10.37 × 5.18 × 3.34 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.37 mm5.18 mm1.04 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812607218
Side View
Table 59.0%Crown 36.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.5%

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 28
Current: $2,292 AUD|Low: $263 AUD|High: $2,491 AUD|Avg: $991 AUD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$377 AUD
Retailer 9$694 AUD
Retailer 2$708 AUD
Retailer 7$720 AUD
Retailer 11$750 AUD
Retailer 5$792 AUD
Retailer 12$858 AUD
Retailer 8$1,022 AUD
Retailer 10$1,115 AUD
Retailer 4$1,421 AUD
Retailer 6$1,687 AUD
Retailer 1$2,292 AUD

43 data points across 12 retailers

21 retailers$377 AUD to $2,730 AUD

Retailer 1
-
$320 AUD
$225 USD
Price last confirmed 28 days ago
Retailer 2
-
$332 AUD
$233 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$377 AUD
$265 USD
View
Final sale: no returns
Retailer 4
-
$387 AUD
$272 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$409 AUD
$287 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$411 AUD
$289 USD
View
Price last confirmed 18 days ago
Retailer 7
-
$411 AUD
$289 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
$694 AUD
€464 EUR
View
A
Retailer 9
-
$708 AUD
$497 USD
View
A
Retailer 10
-
$720 AUD
ZAR 8,167 ZAR
View
A
Retailer 11
-
$750 AUD
$527 USD
View
A
Retailer 12
-
$792 AUD
£438 GBP
View
A
Retailer 13
-
$858 AUD
$603 USD
View
B+
Retailer 14
-
$1,022 AUD
View
B+
Retailer 15
-
$1,115 AUD
$783 USD
View
Retailer 16
-
$1,330 AUD
$934 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$1,421 AUD
$998 USD
View
B+
Retailer 18
-
$1,687 AUD
£933 GBP
View
Retailer 19
-
$1,694 AUD
$1,190 USD
View
Price last confirmed 95 days ago
B
Retailer 20
-
$2,292 AUD
$1,610 USD
View
Most Expensive
B
Queensmith
LG812607218 · Oct 27
$2,730 AUD
£1,510 GBP
View
20 more retailers have this diamond
Prices start from $377 AUDSave up to $2,353 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
1.04ct Marquise
$377 AUD