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Round|Lab Grown|IGI

1.80ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG500166065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500166065

Diamond specifications and retailer prices

From €993 EUR
As of November 5, 2026
Save €2,700 EUR (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,693 EUR at MOH London · As of November 5, 2026
View at MOH London

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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500166065 or 500166065. Listed at 9 retailers as of November 5, 2026, with prices from €993 to €3,693, a €2,700 spread on the same certified stone. MOH London lists it at €3,693. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166065
Dimensions7.73 × 7.69 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.73 mm7.69 mm1.80 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166065
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €3,693 EUR|Low: €993 EUR|High: €3,748 EUR|Avg: €2,070 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3€993 EUR
Retailer 4€1,152 EUR
Retailer 2€1,305 EUR
Retailer 7€1,659 EUR
Retailer 9€1,701 EUR
Retailer 5€1,833 EUR
Retailer 6€2,338 EUR
Retailer 8€3,298 EUR
MOH London€3,693 EUR

16 data points across 9 retailers

9 retailers€993 EUR to €3,693 EUR

A
Cheapest Retailer
-
€993 EUR
A
Retailer 2
-
€1,081 EUR
View
Retailer 3
-
€1,152 EUR
View
Price last confirmed 25 days ago
A
Retailer 4
-
€1,152 EUR
View
B+
Retailer 5
-
€1,305 EUR
View
B
Retailer 6
-
€1,833 EUR
View
B
Retailer 7
-
€2,161 EUR
View
B
Retailer 8
-
€2,338 EUR
View
Most Expensive
B
MOH London
LG500166065 · Nov 5
€3,693 EUR
£3,264 GBP
View
8 more retailers have this diamond
Prices start from €993 EURSave up to €2,700 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
€993 EUR