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Marquise|Lab Grown|IGI

1.70ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG502161054

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502161054

Diamond specifications and retailer prices

From €1,280 EUR
$1,430 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,280 EUR at Brilliant Earth
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 Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct 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 LG502161054 or 502161054. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502161054
Dimensions11.65 × 6.38 × 3.83 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
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
11.65 mm6.38 mm1.70 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502161054
Side View
Table 60.5%Crown 33.1°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 60.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €1,280 EUR|Low: €510 EUR|High: €35,168 EUR|Avg: €4,077 EUR|-39.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
April 14, 2026
Retailer 7€567 EUR
Retailer 4€680 EUR
Retailer 8€923 EUR
Retailer 5€926 EUR
Retailer 9€1,070 EUR
Retailer 6€1,238 EUR
Brilliant Earth€1,280 EUR
Retailer 2€1,388 EUR
Retailer 3€1,446 EUR
Retailer 10€3,059 EUR

38 data points across 10 retailers

1 retailer

B
Brilliant Earth
17971921A · Oct 31
€1,280 EUR
$1,430 USD
View

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
1.70ct Marquise
€1,280 EUR