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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG809685581

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685581

Diamond specifications and retailer prices

From $269 USD
As of November 6, 2026
Save $1,281 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,550 USD at Brilliant Earth · As of November 6, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809685581 or 809685581. Listed at 19 retailers as of November 6, 2026, with prices from $269 to $1,550, a $1,281 spread on the same certified stone. Brilliant Earth lists it at $1,550. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685581
Dimensions11.60 × 6.09 × 3.68 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm6.09 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809685581
Side View
Table 62.0%Crown 37.9°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 58.6%

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 6
Current: $1,550 USD|Low: $266 USD|High: $1,690 USD|Avg: $782 USD|-8.3%
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
November 6, 2026
Retailer 14$269 USD
Retailer 4$402 USD
Retailer 7$486 USD
Retailer 2$506 USD
Retailer 9$556 USD
Retailer 11$562 USD
Retailer 12$626 USD
Retailer 8$742 USD
Retailer 6$1,005 USD
Retailer 3$1,012 USD
Retailer 10$1,061 USD
Retailer 5$1,198 USD
Retailer 13$1,324 USD
Brilliant Earth$1,550 USD

34 data points across 14 retailers

19 retailers$269 USD to $1,550 USD

Retailer 1
-
$239 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$269 USD
View
Final sale: no returns
Retailer 3
-
$277 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$296 USD
View
Price last confirmed 35 days ago
B+
Retailer 5
-
$402 USD
View
A
Retailer 6
-
$486 USD
View
A
Retailer 7
-
$506 USD
View
Retailer 8
-
$545 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$556 USD
View
Retailer 10
-
$562 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$626 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$742 USD
View
Retailer 13
-
$951 USD
View
Price last confirmed 38 days ago
Retailer 14
-
$1,005 USD
View
Price last confirmed 31 days ago
Retailer 15
-
$1,012 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$1,061 USD
View
Retailer 17
-
$1,198 USD
View
Price last confirmed 13 days ago
Retailer 18
-
$1,324 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20682304A · Nov 6
$1,550 USD
View
18 more retailers have this diamond
Prices start from $269 USDSave up to $1,281 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
$269 USD