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Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG651482936

Shape and cutting style on the report: Round brilliant

Certificate IGI LG651482936

Diamond specifications and retailer prices

From €194 EUR
$218 USD
As of November 1, 2026
Save €1,009 EUR (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,204 EUR at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round 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 LG651482936 or 651482936. Listed at 15 retailers as of November 1, 2026, with prices from €194 to €1,204, a €1,009 spread on the same certified stone. Brilliant Earth lists it at €1,204. 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

1.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651482936
Dimensions7.80 × 7.74 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.74 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651482936
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,204 EUR|Low: €187 EUR|High: €1,204 EUR|Avg: €453 EUR
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 8€194 EUR
Retailer 7€218 EUR
Retailer 14€226 EUR
Retailer 9€242 EUR
Retailer 5€244 EUR
Retailer 3€403 EUR
Retailer 15€414 EUR
Retailer 2€443 EUR
Retailer 13€478 EUR
Retailer 12€514 EUR
Retailer 10€776 EUR
Retailer 11€778 EUR
Retailer 6€811 EUR
Retailer 4€981 EUR
Brilliant Earth€1,204 EUR

41 data points across 15 retailers

15 retailers€194 EUR to €1,204 EUR

A
Cheapest Retailer
-
€194 EUR
$218 USD
A
Retailer 2
-
€218 EUR
$244 USD
View
Final sale: no returns
A
Retailer 3
-
€226 EUR
$253 USD
View
A
Retailer 4
-
€242 EUR
$271 USD
View
Retailer 5
-
€244 EUR
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€403 EUR
View
B+
Retailer 7
-
€414 EUR
$464 USD
View
A
Retailer 8
-
€443 EUR
£391 GBP
View
A
Retailer 9
-
€478 EUR
$536 USD
View
A
Retailer 10
-
€514 EUR
$577 USD
View
B+
Retailer 11
-
€776 EUR
$870 USD
View
B+
Retailer 12
-
€778 EUR
$873 USD
View
B
Retailer 13
-
€811 EUR
$910 USD
View
B
Retailer 14
-
€981 EUR
£866 GBP
View
Most Expensive
B
Brilliant Earth
11867105A · Nov 1
€1,204 EUR
$1,350 USD
View
14 more retailers have this diamond
Prices start from €194 EURSave up to €1,009 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
1.80ct Round
€194 EUR