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Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812621506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621506

Diamond specifications and retailer prices

From $987 AUD
$692 USD
As of November 1, 2026
Save $3,759 AUD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,746 AUD at MOH London · As of November 1, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621506 or 812621506. Listed at 25 retailers as of November 1, 2026, with prices from $987 to $4,746, a $3,759 spread on the same certified stone. MOH London lists it at $4,746. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621506
Dimensions11.73 × 6.06 × 3.71 mm
L/W Ratio1.94
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
11.73 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621506
Side View
Table 61.0%Crown 34.6°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.2%

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: Nov 1
Current: $4,746 AUD|Low: $855 AUD|High: $4,771 AUD|Avg: $2,238 AUD|+9.1%
MOH London
Retailer 2
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Retailer 9
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Retailer 11
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Retailer 21
November 2, 2026
Retailer 9$890 AUD
Retailer 3$987 AUD
Retailer 10$1,104 AUD
Retailer 11$1,104 AUD
Retailer 13$1,263 AUD
Retailer 5$1,498 AUD
Retailer 4$1,538 AUD
Retailer 20$1,675 AUD
Retailer 7$1,678 AUD
Retailer 2$1,712 AUD
Retailer 18$1,879 AUD
Retailer 15$2,347 AUD
Retailer 16$2,547 AUD
Retailer 12$2,610 AUD
Retailer 14$3,218 AUD
Retailer 21$3,293 AUD
Retailer 8$3,453 AUD
Retailer 6$3,532 AUD
Retailer 19$3,606 AUD
Retailer 17$3,995 AUD
MOH London$4,746 AUD

40 data points across 21 retailers

25 retailers$987 AUD to $4,746 AUD

Retailer 1
-
$890 AUD
$624 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$987 AUD
$692 USD
View
Final sale: no returns
Retailer 3
-
$997 AUD
$699 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$1,090 AUD
$764 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$1,104 AUD
$774 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$1,104 AUD
$774 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$1,263 AUD
$885 USD
View
A
Retailer 8
-
$1,498 AUD
$1,050 USD
View
A
Retailer 9
-
$1,538 AUD
$1,078 USD
View
A
Retailer 10
-
$1,675 AUD
$1,174 USD
View
Retailer 11
-
$1,678 AUD
€1,120 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
-
$1,712 AUD
£945 GBP
View
A
Retailer 13
-
$1,879 AUD
ZAR 21,272 ZAR
View
A
Retailer 14
-
$2,347 AUD
$1,645 USD
View
B+
Retailer 15
-
$2,547 AUD
View
Retailer 16
-
$2,610 AUD
$1,829 USD
View
Price last confirmed 9 days ago
Retailer 17
-
$2,904 AUD
$2,035 USD
View
Price last confirmed 33 days ago
Retailer 18
-
$3,218 AUD
£1,776 GBP
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$3,293 AUD
$2,308 USD
View
B+
Retailer 20
-
$3,453 AUD
$2,420 USD
View
B+
Retailer 21
-
$3,523 AUD
$2,469 USD
View
B+
Retailer 22
-
$3,532 AUD
$2,475 USD
View
B+
Retailer 23
-
$3,606 AUD
$2,527 USD
View
B+
Retailer 24
-
$3,995 AUD
$2,800 USD
View
Most Expensive
B
MOH London
LG812621506 · Nov 1
$4,746 AUD
£2,619 GBP
View
24 more retailers have this diamond
Prices start from $987 AUDSave up to $3,759 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
$987 AUD