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Round|Lab Grown|IGI

1.72ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG425074530

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425074530

Diamond specifications and retailer prices

From €401 EUR
$448 USD
As of October 30, 2026
Save €537 EUR (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €938 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425074530 or 425074530. Listed at 5 retailers as of October 29, 2026, with prices from €401 to €938, a €537 spread on the same certified stone. MOH London lists it at €938. 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

1.72
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425074530
Dimensions7.65 × 7.68 × 4.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post growth treatment. This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT).
Top View
7.65 mm7.68 mm1.72 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425074530
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.9%

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 30
Current: €938 EUR|Low: €313 EUR|High: €2,623 EUR|Avg: €1,266 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3€401 EUR
Retailer 2€428 EUR
Retailer 5€469 EUR
Retailer 4€569 EUR
MOH London€938 EUR
Retailer 6€1,960 EUR
Retailer 7€2,623 EUR
Retailer 8€2,623 EUR

33 data points across 8 retailers

5 retailers€401 EUR to €938 EUR

B+
Cheapest Retailer
-
€401 EUR
$448 USD
A
Retailer 2
-
€428 EUR
£376 GBP
View
A
Retailer 3
-
€469 EUR
$524 USD
View
B+
Retailer 4
-
€569 EUR
$636 USD
View
Most Expensive
B
MOH London
LG425074530 · Oct 29
€938 EUR
£825 GBP
View
4 more retailers have this diamond
Prices start from €401 EURSave up to €537 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
1.72ct Round
€401 EUR