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
$556 USD
As of October 29, 2026
Save €2,186 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,684 EUR at MOH London · As of October 25, 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 October 25, 2026, with prices from €498 to €2,684, a €2,186 spread on the same certified stone. MOH London lists it at €2,684. 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
Color
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

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 29
Current: €2,684 EUR|Low: €478 EUR|High: €2,712 EUR|Avg: €1,120 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 25, 2026
Retailer 6€498 EUR
Retailer 10€558 EUR
Retailer 12€558 EUR
Retailer 7€618 EUR
Retailer 5€738 EUR
Retailer 3€776 EUR
Retailer 11€949 EUR
Retailer 8€952 EUR
Retailer 2€1,593 EUR
Retailer 9€1,624 EUR
Retailer 4€2,002 EUR
MOH London€2,684 EUR

17 data points across 12 retailers

13 retailers€498 EUR to €2,684 EUR

A
Cheapest Retailer
-
€498 EUR
$556 USD
A
Retailer 2
-
€558 EUR
$623 USD
View
A
Retailer 3
-
€558 EUR
$623 USD
View
Final sale: no returns
A
Retailer 4
-
€618 EUR
$690 USD
View
Retailer 5
-
€618 EUR
$690 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€738 EUR
$825 USD
View
A
Retailer 7
-
€776 EUR
$867 USD
View
A
Retailer 8
-
€949 EUR
$1,060 USD
View
A
Retailer 9
-
€952 EUR
$1,064 USD
View
B+
Retailer 10
-
€1,593 EUR
$1,780 USD
View
B+
Retailer 11
-
€1,624 EUR
$1,814 USD
View
B+
Retailer 12
-
€2,002 EUR
$2,237 USD
View
Most Expensive
B+
MOH London
LG783606897 · Oct 25
€2,684 EUR
£2,361 GBP
View
12 more retailers have this diamond
Prices start from €498 EURSave up to €2,186 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