Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG841641960

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841641960

Diamond specifications and retailer prices

From $306 USD
£241 GBP
As of October 26, 2026
Save $1,065 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,370 USD at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841641960 or 841641960. Listed at 11 retailers as of October 26, 2026, with prices from $306 to $1,370, a $1,065 spread on the same certified stone. Brilliant Earth lists it at $1,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641960
Dimensions11.67 × 6.10 × 3.85 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm6.10 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641960
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.1%

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: Oct 26
Current: $1,370 USD|Low: $305 USD|High: $1,370 USD|Avg: $734 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 26, 2026
Retailer 4$306 USD
Retailer 7$441 USD
Retailer 11$448 USD
Retailer 2$467 USD
Retailer 5$474 USD
Retailer 8$498 USD
Retailer 6$610 USD
Retailer 10$842 USD
Retailer 3$1,052 USD
Retailer 9$1,063 USD
Brilliant Earth$1,370 USD

9 data points across 11 retailers

11 retailers$306 USD to $1,370 USD

A
Cheapest Retailer
-
$306 USD
£241 GBP
A
Retailer 2
-
$441 USD
ZAR 7,132 ZAR
View
B+
Retailer 3
-
$448 USD
View
A
Retailer 4
-
$467 USD
£367 GBP
View
A
Retailer 5
-
$474 USD
€451 EUR
View
A
Retailer 6
-
$498 USD
View
A
Retailer 7
-
$610 USD
A$939 AUD
View
B+
Retailer 8
-
$842 USD
View
B+
Retailer 9
-
$1,052 USD
£828 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,063 USD
View
Most Expensive
B
Brilliant Earth
22164733A · Oct 26
$1,370 USD
View
10 more retailers have this diamond
Prices start from $306 USDSave up to $1,065 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
$306 USD