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Marquise|Lab Grown|IGI

1.72ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG551212064

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG551212064

Diamond specifications and retailer prices

From $2,755 USD
As of November 1, 2026
2 retailers carry this diamond
Only listing: $2,755 USD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 1.72ct lab-grown marquise diamond

This 1.72ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG551212064 or 551212064. Listed at 2 retailers as of November 1, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551212064
Dimensions11.54 × 6.42 × 4.01 mm
L/W Ratio1.80
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.54 mm6.42 mm1.72 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551212064
Side View
Table 55.5%Crown 35.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $2,755 USD|Low: $1,955 USD|High: $8,669 USD|Avg: $4,457 USD|+0.9%
Loose Grown Diamond
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$1,955 USD
Loose Grown Diamond$2,755 USD
Retailer 2$8,669 USD

3 data points across 3 retailers

2 retailers

B
Loose Grown Diamond
551212064 · Nov 1
$2,755 USD
View

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B
1.72ct Marquise
$2,755 USD