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Round|Lab Grown|IGI

1.67ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG669420558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669420558

Diamond specifications and retailer prices

From €177 EUR
$197 USD
As of October 29, 2026
Save €855 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,032 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669420558 or 669420558. Listed at 14 retailers as of October 29, 2026, with prices from €177 to €1,032, a €855 spread on the same certified stone. MOH London lists it at €1,032. 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

1.67
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669420558
Dimensions7.62 × 7.54 × 4.73 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
7.62 mm7.54 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669420558
Side View
Table 56.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,032 EUR|Low: €165 EUR|High: €1,032 EUR|Avg: €483 EUR
MOH London
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
October 30, 2026
Retailer 7€165 EUR
Retailer 15€177 EUR
Retailer 13€205 EUR
Retailer 12€219 EUR
Retailer 9€368 EUR
Retailer 2€380 EUR
Retailer 14€383 EUR
Retailer 8€400 EUR
Retailer 11€447 EUR
Retailer 3€456 EUR
Retailer 5€561 EUR
Retailer 4€660 EUR
Retailer 10€705 EUR
Retailer 6€863 EUR
MOH London€1,032 EUR

17 data points across 15 retailers

14 retailers€177 EUR to €1,032 EUR

A
Cheapest Retailer
-
€177 EUR
$197 USD
A
Retailer 2
-
€205 EUR
$228 USD
View
A
Retailer 3
-
€219 EUR
$244 USD
View
A
Retailer 4
-
€368 EUR
View
A
Retailer 5
-
€380 EUR
£333 GBP
View
B+
Retailer 6
-
€383 EUR
$426 USD
View
A
Retailer 7
-
€400 EUR
£351 GBP
View
A
Retailer 8
-
€447 EUR
$498 USD
View
A
Retailer 9
-
€456 EUR
$508 USD
View
B+
Retailer 10
-
€561 EUR
$624 USD
View
Retailer 11
-
€660 EUR
$735 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
€705 EUR
$785 USD
View
B
Retailer 13
-
€863 EUR
$960 USD
View
Most Expensive
B
MOH London
LG669420558 · Oct 29
€1,032 EUR
£904 GBP
View
13 more retailers have this diamond
Prices start from €177 EURSave up to €855 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
1.67ct Round
€177 EUR