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Oval|Lab Grown|IGI

1.66ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG445037333

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037333

Diamond specifications and retailer prices

From €1,686 EUR
As of November 5, 2026
Save €3,884 EUR (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,569 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037333 or 445037333. Listed at 8 retailers as of November 5, 2026, with prices from €1,686 to €5,569, a €3,884 spread on the same certified stone. MOH London lists it at €5,569. 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

1.66
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037333
Dimensions9.30 × 6.72 × 4.20 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.30 mm6.72 mm1.66 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037333
Side View
Table 57.0%Crown 33.3°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €5,569 EUR|Low: €1,618 EUR|High: €5,659 EUR|Avg: €3,105 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3€1,686 EUR
Retailer 7€1,834 EUR
Retailer 4€1,955 EUR
Retailer 8€2,509 EUR
Retailer 5€3,065 EUR
Retailer 2€3,211 EUR
Retailer 6€3,665 EUR
Retailer 9€4,376 EUR
MOH London€5,569 EUR

13 data points across 9 retailers

8 retailers€1,686 EUR to €5,569 EUR

B+
Cheapest Retailer
-
€1,686 EUR
B+
Retailer 2
-
€1,834 EUR
View
B
Retailer 3
-
€1,955 EUR
View
Retailer 4
-
€1,955 EUR
View
Price last confirmed 27 days ago
B
Retailer 5
-
€3,065 EUR
View
B
Retailer 6
-
€3,211 EUR
View
B
Retailer 7
-
€3,665 EUR
View
Most Expensive
B
MOH London
LG445037333 · Nov 5
€5,569 EUR
£4,896 GBP
View
7 more retailers have this diamond
Prices start from €1,686 EURSave up to €3,884 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.

B+
1.66ct Oval
€1,686 EUR