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Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG847655692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847655692

Diamond specifications and retailer prices

From €422 EUR
As of October 27, 2026
Save €579 EUR (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,001 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct 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 LG847655692 or 847655692. Listed at 7 retailers as of October 25, 2026, with prices from €422 to €1,001, a €579 spread on the same certified stone. MOH London lists it at €1,001. 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

1.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847655692
Dimensions7.80 × 7.75 × 4.70 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847655692
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.4%

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: Oct 27
Current: €1,001 EUR|Low: €418 EUR|High: €1,005 EUR|Avg: €598 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3€422 EUR
Retailer 6€425 EUR
Retailer 4€441 EUR
Retailer 2€495 EUR
Retailer 5€553 EUR
Retailer 7€755 EUR
MOH London€1,001 EUR

8 data points across 7 retailers

7 retailers€422 EUR to €1,001 EUR

A
Cheapest Retailer
-
€422 EUR
B+
Retailer 2
-
€425 EUR
$473 USD
View
A
Retailer 3
-
€441 EUR
£386 GBP
View
A
Retailer 4
-
€495 EUR
$551 USD
View
B+
Retailer 5
-
€553 EUR
$615 USD
View
B
Retailer 6
-
€755 EUR
$840 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG847655692 · Oct 25
€1,001 EUR
£877 GBP
View
6 more retailers have this diamond
Prices start from €422 EURSave up to €579 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
1.73ct Round
€422 EUR