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 $265 USD
As of October 31, 2026
Save $1,653 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,918 USD 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 $265 to $1,918, a $1,653 spread on the same certified stone. Queensmith lists it at $1,918. 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
Color
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 31
Current: $552 USD|Low: $185 USD|High: $1,750 USD|Avg: $666 USD|+5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$265 USD
Retailer 5$290 USD
Retailer 11$487 USD
Retailer 2$497 USD
Retailer 9$506 USD
Retailer 12$527 USD
Retailer 1$552 USD
Retailer 13$603 USD
Retailer 10$718 USD
Retailer 6$730 USD
Retailer 4$998 USD
Retailer 8$1,185 USD
Retailer 7$1,610 USD

43 data points across 13 retailers

21 retailers$265 USD to $1,918 USD

Retailer 1
-
$225 USD
Price last confirmed 29 days ago
Retailer 2
-
$233 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$265 USD
View
Final sale: no returns
Retailer 4
-
$272 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$287 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$289 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$289 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$487 USD
€464 EUR
View
A
Retailer 9
-
$497 USD
View
A
Retailer 10
-
$506 USD
ZAR 8,167 ZAR
View
A
Retailer 11
-
$527 USD
View
A
Retailer 12
-
$552 USD
£435 GBP
View
A
Retailer 13
-
$603 USD
View
B+
Retailer 14
-
$718 USD
A$1,104 AUD
View
B+
Retailer 15
-
$730 USD
View
Retailer 16
-
$934 USD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
$998 USD
View
B+
Retailer 18
-
$1,185 USD
£933 GBP
View
Retailer 19
-
$1,190 USD
View
Price last confirmed 96 days ago
B
Retailer 20
-
$1,610 USD
View
Most Expensive
B
Queensmith
LG812607218 · Oct 27
$1,918 USD
£1,510 GBP
View
20 more retailers have this diamond
Prices start from $265 USDSave up to $1,653 USD

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
$265 USD