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Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG724542277

Shape and cutting style on the report: Round brilliant

Certificate IGI LG724542277

Diamond specifications and retailer prices

From $531 AUD
$373 USD
As of October 29, 2026
Save $2,188 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,719 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG724542277 or 724542277. Listed at 14 retailers as of October 28, 2026, with prices from $531 to $2,719, a $2,188 spread on the same certified stone. Rare Carat lists it at $2,719. 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 angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724542277
Dimensions9.76 × 9.81 × 5.97 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
9.76 mm9.81 mm3.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724542277
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

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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: $2,719 AUD|Low: $531 AUD|High: $7,160 AUD|Avg: $1,865 AUD|-27.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 2$531 AUD
Retailer 6$616 AUD
Retailer 5$659 AUD
Retailer 13$729 AUD
Retailer 8$868 AUD
Retailer 11$885 AUD
Retailer 15$1,052 AUD
Retailer 9$1,052 AUD
Retailer 12$1,132 AUD
Retailer 3$1,180 AUD
Retailer 14$1,522 AUD
Retailer 4$2,118 AUD
Retailer 10$2,589 AUD
Rare Carat$2,719 AUD
Retailer 7$7,160 AUD

3 data points across 15 retailers

14 retailers$531 AUD to $2,719 AUD

A
Cheapest Retailer
-
$531 AUD
$373 USD
A
Retailer 2
-
$616 AUD
$433 USD
View
A
Retailer 3
-
$659 AUD
$463 USD
View
A
Retailer 4
-
$729 AUD
HK$4,000 HKD
View
A
Retailer 5
-
$868 AUD
$610 USD
View
A
Retailer 6
-
$885 AUD
£490 GBP
View
B+
Retailer 7
-
$1,052 AUD
$739 USD
View
A
Retailer 8
-
$1,052 AUD
€704 EUR
View
A
Retailer 9
-
$1,132 AUD
$795 USD
View
A
Retailer 10
-
$1,180 AUD
£653 GBP
View
A
Retailer 11
-
$1,522 AUD
$1,069 USD
View
B+
Retailer 12
-
$2,118 AUD
$1,488 USD
View
B
Retailer 13
-
$2,589 AUD
£1,432 GBP
View
Most Expensive
B
Rare Carat
KI2775422KF724 · Oct 28
$2,719 AUD
$1,910 USD
View
13 more retailers have this diamond
Prices start from $531 AUDSave up to $2,188 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
$531 AUD