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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG801694449

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801694449

Diamond specifications and retailer prices

From $722 USD
As of November 2, 2026
Save $5,688 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,410 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694449 or 801694449. Listed at 14 retailers as of November 1, 2026, with prices from $722 to $6,410, a $5,688 spread on the same certified stone. Do Amore Diamonds lists it at $6,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694449
Dimensions11.61 × 6.09 × 3.75 mm
L/W Ratio1.91
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
11.61 mm6.09 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694449
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $6,410 USD|Low: $722 USD|High: $8,090 USD|Avg: $2,669 USD|-20.8%
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 1, 2026
Retailer 12$722 USD
Retailer 3$785 USD
Retailer 4$950 USD
Retailer 14$988 USD
Retailer 9$1,015 USD
Retailer 13$1,357 USD
Retailer 11$1,558 USD
Retailer 5$1,741 USD
Retailer 15$2,062 USD
Retailer 16$2,598 USD
Retailer 10$3,150 USD
Retailer 2$3,463 USD
Retailer 6$3,511 USD
Retailer 8$3,944 USD
Retailer 7$4,136 USD
Do Amore Diamonds$6,410 USD

31 data points across 16 retailers

14 retailers$722 USD to $6,410 USD

A+
Cheapest Retailer
-
$722 USD
A
Retailer 2
-
$785 USD
View
A
Retailer 3
-
$950 USD
View
A
Retailer 4
-
$988 USD
View
A
Retailer 5
-
$1,015 USD
View
A
Retailer 6
-
$1,357 USD
View
A
Retailer 7
-
$1,558 USD
€1,484 EUR
View
B+
Retailer 8
-
$1,741 USD
A$2,678 AUD
View
B+
Retailer 9
-
$2,062 USD
View
B
Retailer 10
-
$2,598 USD
View
B+
Retailer 11
-
$3,150 USD
View
B+
Retailer 12
-
$3,463 USD
£2,727 GBP
View
Retailer 13
-
$3,511 USD
View
Price last confirmed 67 days ago
Most Expensive
B
Do Amore Diamonds
27-FB45C6F80 · Nov 1
$6,410 USD
View
13 more retailers have this diamond
Prices start from $722 USDSave up to $5,688 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
$722 USD