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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG760523984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG760523984

Diamond specifications and retailer prices

From $604 AUD
$424 USD
As of October 29, 2026
Save $2,941 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,544 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG760523984 or 760523984. Listed at 15 retailers as of October 29, 2026, with prices from $604 to $3,544, a $2,941 spread on the same certified stone. Brilliant Earth lists it at $3,544. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760523984
Dimensions9.88 × 9.94 × 5.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm9.94 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760523984
Side View
Table 61.0%Crown 33.4°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 58.3%

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: $3,544 AUD|Low: $430 AUD|High: $3,644 AUD|Avg: $1,473 AUD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$430 AUD
Retailer 8$604 AUD
Retailer 11$676 AUD
Retailer 6$954 AUD
Retailer 5$1,173 AUD
Retailer 9$1,179 AUD
Retailer 2$1,227 AUD
Retailer 10$1,311 AUD
Retailer 7$1,812 AUD
Retailer 4$2,766 AUD
Brilliant Earth$3,544 AUD

41 data points across 11 retailers

15 retailers$604 AUD to $3,544 AUD

A
Cheapest Retailer
-
$604 AUD
$424 USD
A
Retailer 2
-
$676 AUD
$475 USD
View
Final sale: no returns
A
Retailer 3
-
$676 AUD
$475 USD
View
A
Retailer 4
-
$749 AUD
$526 USD
View
A
Retailer 5
-
$749 AUD
$526 USD
View
A
Retailer 6
-
$954 AUD
$670 USD
View
A
Retailer 7
-
$1,173 AUD
€785 EUR
View
B+
Retailer 8
-
$1,179 AUD
$828 USD
View
A
Retailer 9
-
$1,227 AUD
£679 GBP
View
A
Retailer 10
-
$1,311 AUD
$921 USD
View
B+
Retailer 11
-
$1,812 AUD
$1,273 USD
View
B+
Retailer 12
-
$1,933 AUD
$1,358 USD
View
Price last confirmed 43 days ago
B+
Retailer 13
-
$2,407 AUD
$1,691 USD
View
B
Retailer 14
-
$2,766 AUD
£1,530 GBP
View
Most Expensive
B
Brilliant Earth
18459169A · Oct 29
$3,544 AUD
$2,490 USD
View
14 more retailers have this diamond
Prices start from $604 AUDSave up to $2,941 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
$604 AUD