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 $556 USD
As of October 29, 2026
Save $2,442 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,998 USD 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 $556 to $2,998, a $2,442 spread on the same certified stone. MOH London lists it at $2,998. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,998 USD|Low: $534 USD|High: $3,030 USD|Avg: $1,251 USD|+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$556 USD
Retailer 10$623 USD
Retailer 12$623 USD
Retailer 7$690 USD
Retailer 5$825 USD
Retailer 3$867 USD
Retailer 11$1,060 USD
Retailer 8$1,064 USD
Retailer 2$1,780 USD
Retailer 9$1,814 USD
Retailer 4$2,237 USD
MOH London$2,998 USD

17 data points across 12 retailers

13 retailers$556 USD to $2,998 USD

A
Cheapest Retailer
-
$556 USD
A
Retailer 2
-
$623 USD
View
A
Retailer 3
-
$623 USD
View
Final sale: no returns
A
Retailer 4
-
$690 USD
View
Retailer 5
-
$690 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$825 USD
View
A
Retailer 7
-
$867 USD
View
A
Retailer 8
-
$1,060 USD
View
A
Retailer 9
-
$1,064 USD
View
B+
Retailer 10
-
$1,780 USD
View
B+
Retailer 11
-
$1,814 USD
View
B+
Retailer 12
-
$2,237 USD
View
Most Expensive
B+
MOH London
LG783606897 · Oct 25
$2,998 USD
£2,361 GBP
View
12 more retailers have this diamond
Prices start from $556 USDSave up to $2,442 USD

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
$556 USD