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Radiant|Lab Grown|IGI

1.61ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG733547001

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

Certificate IGI LG733547001

Diamond specifications and retailer prices

From €402 EUR
As of October 31, 2026
Save €577 EUR (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €979 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.61ct lab-grown radiant diamond

This 1.61ct 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 LG733547001 or 733547001. Listed at 7 retailers as of October 31, 2026, with prices from €402 to €979, a €577 spread on the same certified stone. MOH London lists it at €979. 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

1.61
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733547001
Dimensions8.92 × 5.75 × 3.57 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.92 mm5.75 mm1.61 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733547001
Side View
Table 63.0%Crown 38.1°Girdle: Slightly ThickPavilion 30.8°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €979 EUR|Low: €346 EUR|High: €990 EUR|Avg: €573 EUR|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€402 EUR
Retailer 6€417 EUR
Retailer 2€454 EUR
Retailer 7€482 EUR
Retailer 5€542 EUR
Retailer 4€756 EUR
MOH London€979 EUR

34 data points across 7 retailers

7 retailers€402 EUR to €979 EUR

A
Cheapest Retailer
-
€402 EUR
B+
Retailer 2
-
€417 EUR
$466 USD
View
A
Retailer 3
-
€454 EUR
£399 GBP
View
A
Retailer 4
-
€482 EUR
$539 USD
View
B+
Retailer 5
-
€542 EUR
$606 USD
View
Retailer 6
-
€756 EUR
$845 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG733547001 · Nov 1
€979 EUR
£861 GBP
View
6 more retailers have this diamond
Prices start from €402 EURSave up to €577 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.

A
1.61ct Radiant
€402 EUR