Radiant|Lab Grown|IGI

1.69ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG683593680

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

Certificate IGI LG683593680

Diamond specifications and retailer prices

From €358 EUR
$399 USD
As of October 28, 2026
Save €697 EUR (66%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,055 EUR at MOH London · As of October 29, 2026
View at MOH London

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683593680 or 683593680. Listed at 3 retailers as of October 28, 2026, with prices from €358 to €1,055, a €697 spread on the same certified stone. MOH London lists it at €1,055. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683593680
Dimensions8.57 × 5.87 × 3.98 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.87 mm1.69 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683593680
Side View
Table 65.0%Crown 43.1°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: €1,055 EUR|Low: €344 EUR|High: €1,061 EUR|Avg: €619 EUR|+11.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3€358 EUR
Retailer 7€395 EUR
Retailer 6€492 EUR
Retailer 4€517 EUR
Retailer 5€710 EUR
Retailer 2€871 EUR
MOH London€1,055 EUR

14 data points across 7 retailers

3 retailers€358 EUR to €1,055 EUR

B+
Cheapest Retailer
-
€358 EUR
$399 USD
B
Retailer 2
-
€871 EUR
$970 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG683593680 · Oct 29
€1,055 EUR
£925 GBP
View
2 more retailers have this diamond
Prices start from €358 EURSave up to €697 EUR

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
€358 EUR