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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG798610472

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG798610472

Diamond specifications and retailer prices

From $900 USD
CA$1,250 CAD
As of October 30, 2026
Save $290 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,190 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 LG798610472 or 798610472. Listed at 2 retailers as of October 30, 2026, with prices from $900 to $1,190, a $290 spread on the same certified stone. The Diamond Guys lists it at $1,190. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798610472
Dimensions11.73 × 6.06 × 3.87 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm6.06 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798610472
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $900 USD|Low: $599 USD|High: $1,890 USD|Avg: $976 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
August 3, 2026
Retailer 5$620 USD
Retailer 2$634 USD
Retailer 6$691 USD
Retailer 1$900 USD
The Diamond Guys$1,190 USD
Retailer 4$1,280 USD
Retailer 3$1,310 USD

13 data points across 7 retailers

2 retailers$900 USD to $1,190 USD

B+
Cheapest Retailer
-
$900 USD
CA$1,250 CAD
Most Expensive
B
The Diamond Guys
1958037520 · Oct 30
$1,190 USD
View
1 more retailer has this diamond
Prices start from $900 USDSave up to $290 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.

B+
1.55ct Marquise
$900 USD