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Radiant|Lab Grown|IGI

1.97ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG667442994

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

Certificate IGI LG667442994

Diamond specifications and retailer prices

From €654 EUR
£575 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: €654 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 1.97ct lab-grown radiant diamond

This 1.97ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG667442994 or 667442994. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.97
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667442994
Dimensions8.85 × 6.31 × 4.25 mm
L/W Ratio1.40
Culet sizePointed
Top View
8.85 mm6.31 mm1.97 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667442994
Side View
Table 66.0%Crown 45.1°Girdle: MediumPavilion 35.8°Culet: NoneDepth 67.4%

Caratlytics Score

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

Last verified: Nov 5
Current: €381 EUR|Low: €135 EUR|High: €2,293 EUR|Avg: €830 EUR|-22.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 11, 2026
Retailer 6€342 EUR
Retailer 1€381 EUR
Retailer 5€474 EUR
Retailer 2€510 EUR
Retailer 3€623 EUR
Retailer 8€667 EUR
Retailer 4€1,131 EUR
Retailer 7€2,257 EUR

70 data points across 8 retailers

1 retailer

B+
Diamond Quarter
1.97SI1FLG945C66N · Nov 5
€654 EUR
£575 GBP
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+
1.97ct Radiant
€654 EUR