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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG674555189

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674555189

Diamond specifications and retailer prices

From $626 AUD
$440 USD
As of October 28, 2026
Save $2,085 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,712 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674555189 or 674555189. Listed at 11 retailers as of October 26, 2026, with prices from $626 to $2,712, a $2,085 spread on the same certified stone. MOH London lists it at $2,712. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674555189
Dimensions9.68 × 9.64 × 6.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm9.64 mm3.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674555189
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 28
Current: $2,712 AUD|Low: $626 AUD|High: $2,722 AUD|Avg: $1,498 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$626 AUD
Retailer 3$930 AUD
Retailer 4$932 AUD
Retailer 7$932 AUD
Retailer 2$1,130 AUD
Retailer 9$1,153 AUD
Retailer 6$1,530 AUD
Retailer 5$1,943 AUD
Retailer 11$2,280 AUD
Retailer 8$2,574 AUD
MOH London$2,712 AUD

12 data points across 11 retailers

11 retailers$626 AUD to $2,712 AUD

A
Cheapest Retailer
-
$626 AUD
$440 USD
Final sale: no returns
A
Retailer 2
-
$930 AUD
£515 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$932 AUD
$655 USD
View
B+
Retailer 4
-
$932 AUD
$655 USD
View
A
Retailer 5
-
$1,130 AUD
£625 GBP
View
A
Retailer 6
-
$1,153 AUD
$810 USD
View
A
Retailer 7
-
$1,530 AUD
$1,075 USD
View
B+
Retailer 8
-
$1,943 AUD
$1,365 USD
View
B+
Retailer 9
-
$2,280 AUD
$1,602 USD
View
B+
Retailer 10
-
$2,574 AUD
$1,808 USD
View
Most Expensive
B
MOH London
LG674555189 · Oct 26
$2,712 AUD
£1,500 GBP
View
10 more retailers have this diamond
Prices start from $626 AUDSave up to $2,085 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 Round
$626 AUD