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Marquise|Lab Grown|IGI

1.55ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG784639705

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784639705

Diamond specifications and retailer prices

From $947 USD
CA$1,315 CAD
As of October 27, 2026
Save $305 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,252 USD at The Diamond Guys · As of October 28, 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 LG784639705 or 784639705. Listed at 2 retailers as of October 27, 2026, with prices from $947 to $1,252, a $305 spread on the same certified stone. The Diamond Guys lists it at $1,252. 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 angle37.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639705
Dimensions11.51 × 6.10 × 3.88 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm6.10 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639705
Side View
Table 61.0%Crown 37.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $947 USD|Low: $192 USD|High: $2,340 USD|Avg: $947 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$434 USD
Retailer 7$478 USD
Retailer 10$629 USD
Retailer 5$665 USD
Retailer 2$669 USD
Retailer 8$854 USD
Retailer 1$947 USD
Retailer 3$971 USD
Retailer 9$1,203 USD
The Diamond Guys$1,252 USD
Retailer 12$1,298 USD
Retailer 6$1,408 USD
Retailer 11$2,260 USD

35 data points across 13 retailers

2 retailers$947 USD to $1,252 USD

B
Cheapest Retailer
-
$947 USD
CA$1,315 CAD
Most Expensive
B
The Diamond Guys
1952043952 · Oct 28
$1,252 USD
View
1 more retailer has this diamond
Prices start from $947 USDSave up to $305 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
$947 USD