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Radiant|Lab Grown|IGI

1.69ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG639468902

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

Certificate IGI LG639468902

Diamond specifications and retailer prices

From €484 EUR
£426 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €484 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 1.69ct lab-grown radiant diamond

This 1.69ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG639468902 or 639468902. 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. 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

1.69
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639468902
Dimensions8.66 × 5.74 × 3.83 mm
L/W Ratio1.51
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.66 mm5.74 mm1.69 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639468902
Side View
Table 63.0%Crown 33.2°Girdle: MediumPavilion 32.5°Culet: NoneDepth 66.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €124 EUR|Low: €124 EUR|High: €775 EUR|Avg: €458 EUR
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 10
June 13, 2026
Retailer 1€124 EUR
Retailer 2€221 EUR
Retailer 5€295 EUR
Retailer 3€328 EUR
Retailer 8€440 EUR
Retailer 6€478 EUR
Retailer 9€499 EUR
Retailer 7€593 EUR
Retailer 10€641 EUR
Retailer 4€772 EUR

62 data points across 10 retailers

1 retailer

B+
Diamond Quarter
1.69SI1GLG025D6EN · Oct 31
€484 EUR
£426 GBP
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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+
1.69ct Radiant
€484 EUR