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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG567358645

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

Certificate IGI LG567358645

Diamond specifications and retailer prices

From €155 EUR
$173 USD
As of October 27, 2026
Save €1,331 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,486 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567358645 or 567358645. Listed at 10 retailers as of October 27, 2026, with prices from €155 to €1,486, a €1,331 spread on the same certified stone. Do Amore Diamonds lists it at €1,486. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567358645
Dimensions8.50 × 5.74 × 3.80 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.50 mm5.74 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567358645
Side View
Table 65.5%Crown 43.6°Girdle: MediumPavilion 33°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
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 27
Current: €1,486 EUR|Low: €154 EUR|High: €1,540 EUR|Avg: €635 EUR|-3.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 20, 2026
Retailer 9€155 EUR
Retailer 2€180 EUR
Retailer 13€180 EUR
Retailer 11€342 EUR
Retailer 3€375 EUR
Retailer 4€479 EUR
Retailer 6€575 EUR
Retailer 14€622 EUR
Retailer 7€652 EUR
Retailer 10€681 EUR
Retailer 5€821 EUR
Retailer 12€940 EUR
Retailer 8€996 EUR
Do Amore Diamonds€1,486 EUR

16 data points across 14 retailers

10 retailers€155 EUR to €1,486 EUR

A
Cheapest Retailer
-
€155 EUR
$173 USD
A
Retailer 2
-
€180 EUR
$201 USD
View
Final sale: no returns
A
Retailer 3
-
€180 EUR
$201 USD
View
B+
Retailer 4
-
€342 EUR
$382 USD
View
B+
Retailer 5
-
€652 EUR
$728 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€681 EUR
$761 USD
View
B
Retailer 7
-
€923 EUR
£812 GBP
View
B
Retailer 8
-
€940 EUR
$1,050 USD
View
Retailer 9
-
€996 EUR
£876 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-670424053 · Oct 29
€1,486 EUR
$1,660 USD
View
9 more retailers have this diamond
Prices start from €155 EURSave up to €1,331 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
€155 EUR