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Round|Lab Grown|IGI

1.80ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG436073442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073442

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 LG436073442 or 436073442. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073442
Dimensions7.88 × 7.85 × 4.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.88 mm7.85 mm1.80 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073442
Side View
Table 58.5%Crown 33.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.0%

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: Nov 5
Current: €3,693 EUR|Low: €993 EUR|High: €3,752 EUR|Avg: €1,981 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3€993 EUR
Retailer 4€1,152 EUR
Retailer 2€1,305 EUR
Retailer 7€1,659 EUR
Retailer 8€1,701 EUR
Retailer 5€1,833 EUR
Retailer 6€2,338 EUR
MOH London€3,693 EUR

18 data points across 8 retailers

9 retailers€993 EUR to €3,693 EUR

A
Cheapest Retailer
-
€993 EUR
A
Retailer 2
-
€1,081 EUR
View
A
Retailer 3
-
€1,152 EUR
View
Retailer 4
-
€1,152 EUR
View
Price last confirmed 25 days ago
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
LG436073442 · 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