Oval|Lab Grown|IGI

3.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG783606897

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783606897

Diamond specifications and retailer prices

From €498 EUR
As of November 6, 2026
Save €2,184 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,682 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 3.5ct lab-grown oval diamond

This 3.5ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783606897 or 783606897. Listed at 13 retailers as of November 3, 2026, with prices from €498 to €2,682, a €2,184 spread on the same certified stone. MOH London lists it at €2,682. 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

3.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783606897
Dimensions11.90 × 8.44 × 5.41 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm8.44 mm3.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783606897
Side View
Table 59.0%Crown 39.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.1%

Caratlytics Score

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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: Nov 6
Current: €2,682 EUR|Low: €478 EUR|High: €2,714 EUR|Avg: €1,132 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
November 3, 2026
Retailer 6€498 EUR
Retailer 10€558 EUR
Retailer 12€558 EUR
Retailer 7€618 EUR
Retailer 5€739 EUR
Retailer 3€777 EUR
Retailer 11€949 EUR
Retailer 8€953 EUR
Retailer 2€1,594 EUR
Retailer 9€1,625 EUR
Retailer 4€2,004 EUR
MOH London€2,682 EUR

15 data points across 12 retailers

13 retailers€498 EUR to €2,682 EUR

A
Cheapest Retailer
-
€498 EUR
A
Retailer 2
-
€558 EUR
View
A
Retailer 3
-
€558 EUR
View
Final sale: no returns
A
Retailer 4
-
€618 EUR
View
Retailer 5
-
€618 EUR
View
Price last confirmed 21 days ago
A
Retailer 6
-
€739 EUR
View
A
Retailer 7
-
€777 EUR
View
A
Retailer 8
-
€949 EUR
View
A
Retailer 9
-
€953 EUR
View
B+
Retailer 10
-
€1,594 EUR
View
B+
Retailer 11
-
€1,625 EUR
View
B+
Retailer 12
-
€2,004 EUR
View
Most Expensive
B+
MOH London
LG783606897 · Nov 3
€2,682 EUR
£2,358 GBP
View
12 more retailers have this diamond
Prices start from €498 EURSave up to €2,184 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
3.50ct Oval
€498 EUR