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Marquise|Lab Grown|IGI

1.55ct F VVS2 Marquise Lab Grown Diamond

EX • F/VVS2 • IGI LG818660749

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818660749

Diamond specifications and retailer prices

From $255 USD
As of November 6, 2026
Save $1,165 USD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660749 or 818660749. Listed at 21 retailers as of November 5, 2026, with prices from $255 to $1,420, a $1,165 spread on the same certified stone. Brilliant Earth lists it at $1,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660749
Dimensions11.45 × 5.96 × 3.87 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.45 mm5.96 mm1.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660749
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.9%

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: Nov 6
Current: $1,420 USD|Low: $247 USD|High: $1,510 USD|Avg: $714 USD|-4.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 7$255 USD
Retailer 8$284 USD
Retailer 4$296 USD
Retailer 3$316 USD
Retailer 18$316 USD
Retailer 17$475 USD
Retailer 9$528 USD
Retailer 12$535 USD
Retailer 11$556 USD
Retailer 2$597 USD
Retailer 13$740 USD
Retailer 14$814 USD
Retailer 16$986 USD
Retailer 5$987 USD
Retailer 19$1,016 USD
Retailer 10$1,017 USD
Retailer 6$1,067 USD
Retailer 15$1,273 USD
Brilliant Earth$1,420 USD

35 data points across 19 retailers

21 retailers$255 USD to $1,420 USD

A
Cheapest Retailer
-
$255 USD
A
Retailer 2
-
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$296 USD
View
Retailer 4
-
$316 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$316 USD
View
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$528 USD
View
A
Retailer 8
-
$535 USD
View
A
Retailer 9
-
$556 USD
View
A
Retailer 10
-
$597 USD
View
A
Retailer 11
-
$740 USD
View
B+
Retailer 12
-
$814 USD
View
Retailer 13
-
$986 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$987 USD
View
B+
Retailer 15
-
$1,016 USD
View
B+
Retailer 16
-
$1,017 USD
View
B+
Retailer 17
-
$1,067 USD
View
Retailer 18
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$1,097 USD
View
Price last confirmed 72 days ago
B
Retailer 19
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$1,244 USD
View
Retailer 20
-
$1,273 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21491999A · Nov 5
$1,420 USD
View
20 more retailers have this diamond
Prices start from $255 USDSave up to $1,165 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
$255 USD