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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG784611845

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784611845

Diamond specifications and retailer prices

From $957 USD
CA$1,329 CAD
As of October 30, 2026
Save $308 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,265 USD at The Diamond Guys · As of November 1, 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 LG784611845 or 784611845. Listed at 3 retailers as of October 30, 2026, with prices from $957 to $1,265, a $308 spread on the same certified stone. The Diamond Guys lists it at $1,265. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784611845
Dimensions12.27 × 5.95 × 3.75 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm5.95 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784611845
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $586 USD|Low: $193 USD|High: $2,360 USD|Avg: $1,022 USD|-10.3%
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
Retailer 14
The Diamond Guys
September 6, 2026
Retailer 14$368 USD
Retailer 6$441 USD
Retailer 3$489 USD
Retailer 8$529 USD
Retailer 9$531 USD
Retailer 1$586 USD
Retailer 5$862 USD
Retailer 7$923 USD
Retailer 4$957 USD
Retailer 11$1,201 USD
Retailer 13$1,241 USD
The Diamond Guys$1,265 USD
Retailer 12$1,353 USD
Retailer 2$1,890 USD
Retailer 10$2,250 USD

55 data points across 15 retailers

3 retailers$957 USD to $1,265 USD

Retailer 1
-
$923 USD
Price last confirmed 67 days ago
B+
Retailer 2
-
$957 USD
CA$1,329 CAD
View
Most Expensive
B
The Diamond Guys
1952043953 · Nov 1
$1,265 USD
View
2 more retailers have this diamond
Prices start from $957 USDSave up to $308 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
$957 USD