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Radiant|Lab Grown|IGI

1.91ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG639465339

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG639465339

Diamond specifications and retailer prices

From €512 EUR
£450 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: €512 EUR at Diamond Quarter
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 Diamond Quarter

About this 1.91ct lab-grown radiant diamond

This 1.91ct lab-grown radiant 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 LG639465339 or 639465339. Listed at a single retailer as of October 29, 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

1.91
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639465339
Dimensions8.85 × 6.08 × 4.04 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.85 mm6.08 mm1.91 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639465339
Side View
Table 67.0%Crown 46.7°Girdle: Slightly ThickPavilion 34.5°CuletDepth 66.4%

Caratlytics Score

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

Last verified: Oct 29
Current: €512 EUR|Low: €512 EUR|High: €512 EUR|Avg: €512 EUR
September 26, 2026
Diamond Quarter€512 EUR

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.91VS1HLG391917N · Oct 29
€512 EUR
£450 GBP
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B+
1.91ct Radiant
€512 EUR