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Oval|Lab Grown|IGI

3.50ct D SI1 Oval Lab Grown Diamond

GD • D/SI1 • IGI LG741587981

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG741587981

Diamond specifications and retailer prices

From $828 USD
As of October 30, 2026
Save $1,115 USD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,943 USD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG741587981 or 741587981. Listed at 6 retailers as of October 29, 2026, with prices from $828 to $1,943, a $1,115 spread on the same certified stone. MOH London lists it at $1,943. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.50
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741587981
Dimensions12.37 × 8.55 × 5.25 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm8.55 mm3.50 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741587981
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.4%

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: $1,943 USD|Low: $803 USD|High: $1,956 USD|Avg: $1,222 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$828 USD
Retailer 2$865 USD
Retailer 3$921 USD
Retailer 5$1,704 USD
MOH London$1,943 USD

25 data points across 5 retailers

6 retailers$828 USD to $1,943 USD

B+
Cheapest Retailer
-
$828 USD
A
Retailer 2
-
$865 USD
£681 GBP
View
B+
Retailer 3
-
$921 USD
View
B
Retailer 4
-
$1,704 USD
View
B
Retailer 5
-
$1,724 USD
View
Most Expensive
B
MOH London
LG741587981 · Oct 29
$1,943 USD
£1,530 GBP
View
5 more retailers have this diamond
Prices start from $828 USDSave up to $1,115 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
$828 USD