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Radiant|Lab Grown|IGI

3.54ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG741529778

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG741529778

Diamond specifications and retailer prices

From $2,816 AUD
$1,978 USD
As of October 30, 2026
Save $14,011 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,827 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.54ct lab-grown radiant diamond

This 3.54ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741529778 or 741529778. Listed at 21 retailers as of October 29, 2026, with prices from $2,816 to $16,827, a $14,011 spread on the same certified stone. Brilliant Earth lists it at $16,827. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.54
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741529778
Dimensions11.00 × 7.41 × 5.01 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.00 mm7.41 mm3.54 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741529778
Side View
Table 66.0%Crown 42.7°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 67.6%

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: $16,827 AUD|Low: $2,251 AUD|High: $17,140 AUD|Avg: $7,871 AUD|-1.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$3,153 AUD
Retailer 11$3,502 AUD
Retailer 5$4,493 AUD
Retailer 10$4,889 AUD
Retailer 7$4,909 AUD
Retailer 3$6,205 AUD
Retailer 9$7,665 AUD
Retailer 8$8,905 AUD
Retailer 6$9,380 AUD
Retailer 4$10,522 AUD
Retailer 12$10,913 AUD
Brilliant Earth$16,827 AUD

41 data points across 12 retailers

21 retailers$2,816 AUD to $16,827 AUD

A
Cheapest Retailer
-
$2,816 AUD
$1,978 USD
A
Retailer 2
-
$3,064 AUD
$2,152 USD
View
A
Retailer 3
-
$3,153 AUD
$2,215 USD
View
Final sale: no returns
A
Retailer 4
-
$3,267 AUD
$2,295 USD
View
A
Retailer 5
-
$3,502 AUD
$2,460 USD
View
A
Retailer 6
-
$3,772 AUD
HK$20,700 HKD
View
A
Retailer 7
-
$4,493 AUD
£2,485 GBP
View
A
Retailer 8
-
$4,889 AUD
$3,434 USD
View
Retailer 9
-
$4,909 AUD
€3,284 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$6,050 AUD
$4,250 USD
View
B+
Retailer 11
-
$6,205 AUD
£3,432 GBP
View
B+
Retailer 12
-
$6,420 AUD
$4,510 USD
View
B+
Retailer 13
-
$7,665 AUD
$5,384 USD
View
B+
Retailer 14
-
$8,905 AUD
$6,255 USD
View
B+
Retailer 15
-
$9,380 AUD
£5,188 GBP
View
B
Retailer 16
-
$9,777 AUD
$6,868 USD
View
B
Retailer 17
-
$10,522 AUD
$7,391 USD
View
B
Retailer 18
-
$10,913 AUD
SGD 10,359 SGD
View
B
Retailer 19
-
$11,434 AUD
$8,031 USD
View
B
Retailer 20
-
$15,539 AUD
$10,915 USD
View
Most Expensive
B
Brilliant Earth
20552395A · Oct 29
$16,827 AUD
$11,820 USD
View
20 more retailers have this diamond
Prices start from $2,816 AUDSave up to $14,011 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
3.54ct Radiant
$2,816 AUD