CaratHunter
Plans
Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG840635857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840635857

Diamond specifications and retailer prices

From $255 USD
As of November 4, 2026
Save $1,130 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,385 USD at With Clarity · As of November 5, 2026
View at With Clarity

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840635857 or 840635857. Listed at 14 retailers as of November 4, 2026, with prices from $255 to $1,385, a $1,130 spread on the same certified stone. With Clarity lists it at $1,385. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635857
Dimensions12.44 × 5.97 × 3.60 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm5.97 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635857
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,154 USD|Low: $255 USD|High: $1,441 USD|Avg: $862 USD|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 5, 2026
Retailer 7$255 USD
Retailer 10$296 USD
Retailer 6$369 USD
Retailer 3$531 USD
Retailer 4$662 USD
Retailer 12$665 USD
Retailer 2$695 USD
Retailer 11$755 USD
Retailer 9$973 USD
Retailer 8$1,018 USD
Retailer 1$1,154 USD
Retailer 13$1,294 USD
Retailer 5$1,354 USD
With Clarity$1,385 USD

31 data points across 14 retailers

14 retailers$255 USD to $1,385 USD

A
Cheapest Retailer
-
$255 USD
A
Retailer 2
-
$296 USD
View
A
Retailer 3
-
$369 USD
View
Retailer 4
-
$531 USD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$662 USD
View
B+
Retailer 6
-
$665 USD
View
B+
Retailer 7
-
$695 USD
View
B+
Retailer 8
-
$755 USD
View
B+
Retailer 9
-
$973 USD
View
B+
Retailer 10
-
$1,018 USD
View
B
Retailer 11
-
$1,154 USD
View
B
Retailer 12
-
$1,294 USD
View
Retailer 13
-
$1,354 USD
View
Price last confirmed 24 days ago
Most Expensive
B
With Clarity
840635857 · Nov 5
$1,385 USD
View
13 more retailers have this diamond
Prices start from $255 USDSave up to $1,130 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