Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG788617266

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788617266

Diamond specifications and retailer prices

From $928 USD
A$1,428 AUD
As of October 31, 2026
5 retailers carry this diamond
Most expensive: $2,438 USD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

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 LG788617266 or 788617266. Listed at 5 retailers as of October 31, 2026. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788617266
Dimensions12.12 × 6.06 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.12 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788617266
Side View
Table 58.0%Crown 36.7°Girdle: MediumPavilion 37.8°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $928 USD|Low: $356 USD|High: $3,170 USD|Avg: $1,412 USD
Retailer 1
Retailer 2
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Retailer 19
October 21, 2026
Retailer 2$356 USD
Retailer 14$529 USD
Retailer 7$666 USD
Retailer 11$846 USD
Retailer 19$886 USD
Retailer 9$914 USD
Retailer 13$925 USD
Retailer 1$928 USD
Retailer 12$992 USD
Retailer 17$1,029 USD
Retailer 6$1,131 USD
Retailer 4$1,413 USD
Retailer 3$1,997 USD
Retailer 8$2,133 USD
Retailer 5$2,270 USD
Retailer 16$2,318 USD
Retailer 10$2,451 USD
Retailer 15$2,559 USD
Retailer 18$3,170 USD

11 data points across 19 retailers

5 retailers

Retailer 1
-
$666 USD
HK$5,200 HKD
Price last confirmed 57 days ago
A
Retailer 2
-
$928 USD
A$1,428 AUD
View
Retailer 3
-
$1,029 USD
ZAR 16,631 ZAR
View
Price last confirmed 42 days ago
Retailer 4
-
$2,270 USD
View
Price last confirmed 52 days ago
Most Expensive
Novita Diamonds
cert_788617266 · Jul 4
$2,438 USD
A$3,751 AUD
View
Price last confirmed 119 days ago
4 more retailers have this diamond
Prices start from $928 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
1.55ct Marquise
$928 USD