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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG553222549

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

Certificate IGI LG553222549

Diamond specifications and retailer prices

From €154 EUR
$173 USD
As of October 27, 2026
Save €1,326 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,480 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 LG553222549 or 553222549. Listed at 10 retailers as of October 27, 2026, with prices from €154 to €1,480, a €1,326 spread on the same certified stone. Do Amore Diamonds lists it at €1,480. 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 angle49.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553222549
Dimensions8.17 × 5.74 × 3.92 mm
L/W Ratio1.42
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
8.17 mm5.74 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG553222549
Side View
Table 67.5%Crown 49.5°Girdle: MediumPavilion 36.3°Culet: NoneDepth 68.3%

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: €1,480 EUR|Low: €123 EUR|High: €1,534 EUR|Avg: €634 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 29, 2026
Retailer 9€154 EUR
Retailer 7€179 EUR
Retailer 13€179 EUR
Retailer 11€341 EUR
Retailer 3€374 EUR
Retailer 4€477 EUR
Retailer 6€573 EUR
Retailer 14€620 EUR
Retailer 8€649 EUR
Retailer 10€678 EUR
Retailer 5€817 EUR
Retailer 12€936 EUR
Retailer 2€992 EUR
Do Amore Diamonds€1,480 EUR

16 data points across 14 retailers

10 retailers€154 EUR to €1,480 EUR

A
Cheapest Retailer
-
€154 EUR
$173 USD
A
Retailer 2
-
€179 EUR
$201 USD
View
A
Retailer 3
-
€179 EUR
$201 USD
View
Final sale: no returns
B+
Retailer 4
-
€341 EUR
$382 USD
View
Retailer 5
-
€649 EUR
$728 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€678 EUR
$761 USD
View
B
Retailer 7
-
€919 EUR
£812 GBP
View
B
Retailer 8
-
€936 EUR
$1,050 USD
View
B
Retailer 9
-
€992 EUR
£876 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B1F078C1D · Oct 29
€1,480 EUR
$1,660 USD
View
9 more retailers have this diamond
Prices start from €154 EURSave up to €1,326 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
€154 EUR