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Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG821666557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821666557

Diamond specifications and retailer prices

From €370 EUR
$413 USD
As of October 29, 2026
Save €1,323 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,693 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821666557 or 821666557. Listed at 16 retailers as of October 29, 2026, with prices from €370 to €1,693, a €1,323 spread on the same certified stone. MOH London lists it at €1,693. 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

3.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821666557
Dimensions11.63 × 8.05 × 5.04 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.63 mm8.05 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821666557
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: €1,693 EUR|Low: €354 EUR|High: €1,704 EUR|Avg: €797 EUR|-0.5%
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
October 30, 2026
Retailer 10€370 EUR
Retailer 4€414 EUR
Retailer 12€414 EUR
Retailer 6€458 EUR
Retailer 13€458 EUR
Retailer 8€564 EUR
Retailer 7€591 EUR
Retailer 14€723 EUR
Retailer 5€728 EUR
Retailer 2€754 EUR
Retailer 9€1,285 EUR
Retailer 3€1,473 EUR
Retailer 11€1,677 EUR
MOH London€1,693 EUR

42 data points across 14 retailers

16 retailers€370 EUR to €1,693 EUR

A
Cheapest Retailer
-
€370 EUR
$413 USD
A
Retailer 2
-
€414 EUR
$462 USD
View
A
Retailer 3
-
€414 EUR
$462 USD
View
Final sale: no returns
A
Retailer 4
-
€458 EUR
$512 USD
View
A
Retailer 5
-
€458 EUR
$512 USD
View
Retailer 6
-
€564 EUR
£496 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
€591 EUR
$660 USD
View
B+
Retailer 8
-
€723 EUR
$808 USD
View
A
Retailer 9
-
€728 EUR
$813 USD
View
A
Retailer 10
-
€754 EUR
£663 GBP
View
B+
Retailer 11
-
€884 EUR
$988 USD
View
B
Retailer 12
-
€1,285 EUR
$1,436 USD
View
B+
Retailer 13
-
€1,473 EUR
$1,646 USD
View
B+
Retailer 14
-
€1,504 EUR
$1,680 USD
View
B
Retailer 15
-
€1,677 EUR
$1,873 USD
View
Most Expensive
B
MOH London
LG821666557 · Oct 29
€1,693 EUR
£1,489 GBP
View
15 more retailers have this diamond
Prices start from €370 EURSave up to €1,323 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
3.00ct Oval
€370 EUR