Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG792609341

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792609341

Diamond specifications and retailer prices

From $983 USD
As of November 5, 2026
Save $4,738 USD (83%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $9,260 USD at Do Amore Diamonds · As of November 4, 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 LG792609341 or 792609341. Listed at 30 retailers as of November 4, 2026, with a 482% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792609341
Dimensions12.32 × 6.01 × 3.71 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.32 mm6.01 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792609341
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.7%

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 5
Current: $1,168 USD|Low: $1,001 USD|High: $4,910 USD|Avg: $2,210 USD
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 3$1,043 USD
Retailer 8$1,134 USD
Retailer 1$1,168 USD
Retailer 10$1,200 USD
Retailer 6$1,210 USD
Retailer 18$1,385 USD
Retailer 12$1,825 USD
Retailer 17$1,860 USD
Retailer 4$1,910 USD
Retailer 11$1,917 USD
Retailer 16$2,027 USD
Retailer 14$2,456 USD
Retailer 7$2,502 USD
Retailer 9$3,439 USD
Retailer 2$3,565 USD
Retailer 15$4,290 USD
Retailer 13$4,859 USD
Retailer 5$4,910 USD

44 data points across 18 retailers

30 retailers$983 USD to $5,721 USD

A
Cheapest Retailer
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$983 USD
A
Retailer 2
-
$1,043 USD
View
A
Retailer 3
-
$1,134 USD
View
A
Retailer 4
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$1,168 USD
View
Final sale: no returns
A
Retailer 5
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$1,200 USD
View
A
Retailer 6
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$1,210 USD
View
Retailer 7
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$1,210 USD
View
Price last confirmed 19 days ago
A
Retailer 8
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$1,385 USD
View
B+
Retailer 9
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$1,825 USD
View
B+
Retailer 10
-
$1,860 USD
View
B+
Retailer 11
-
$1,910 USD
View
B+
Retailer 12
-
$1,917 USD
View
Retailer 13
-
$2,027 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
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$2,456 USD
View
B+
Retailer 15
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$2,502 USD
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B
Retailer 16
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$3,273 USD
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B
Retailer 17
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$3,374 USD
View
B
Retailer 18
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$3,439 USD
View
B+
Retailer 19
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$3,565 USD
View
B
Retailer 20
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$3,688 USD
View
B
Retailer 21
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$3,844 USD
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B
Retailer 22
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$4,290 USD
View
B
Retailer 23
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$4,423 USD
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B
Retailer 24
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$4,743 USD
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B
Retailer 25
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$4,743 USD
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B
Retailer 26
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$4,859 USD
View
B
Retailer 27
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$4,910 USD
View
B
Retailer 28
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$5,721 USD
View
Retailer 29
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$8,260 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-BE7D91D76 · Nov 4
$9,260 USD
View
Price under review
29 more retailers have this diamond
Prices start from $983 USDSave up to $4,738 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
$983 USD