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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 $1,179 AUD
$828 USD
As of October 30, 2026
Save $1,587 AUD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,766 AUD 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 $1,179 to $2,766, a $1,587 spread on the same certified stone. MOH London lists it at $2,766. 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
Colour
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: $2,766 AUD|Low: $1,143 AUD|High: $2,784 AUD|Avg: $1,742 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$1,179 AUD
Retailer 2$1,235 AUD
Retailer 3$1,311 AUD
Retailer 5$2,426 AUD
MOH London$2,766 AUD

26 data points across 5 retailers

6 retailers$1,179 AUD to $2,766 AUD

B+
Cheapest Retailer
-
$1,179 AUD
$828 USD
A
Retailer 2
-
$1,235 AUD
£683 GBP
View
B+
Retailer 3
-
$1,311 AUD
$921 USD
View
B
Retailer 4
-
$2,426 AUD
$1,704 USD
View
B
Retailer 5
-
$2,455 AUD
$1,724 USD
View
Most Expensive
B
MOH London
LG741587981 · Oct 29
$2,766 AUD
£1,530 GBP
View
5 more retailers have this diamond
Prices start from $1,179 AUDSave up to $1,587 AUD

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
$1,179 AUD