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 $1,978 USD
As of October 27, 2026
Save $9,842 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,820 USD 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 27, 2026, with prices from $1,978 to $11,820, a $9,842 spread on the same certified stone. Brilliant Earth lists it at $11,820. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $11,820 USD|Low: $1,581 USD|High: $12,040 USD|Avg: $5,529 USD|-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 5$2,216 USD
Retailer 11$2,460 USD
Retailer 2$3,156 USD
Retailer 10$3,434 USD
Retailer 7$3,448 USD
Retailer 3$4,359 USD
Retailer 9$5,384 USD
Retailer 8$6,255 USD
Retailer 6$6,589 USD
Retailer 4$7,391 USD
Retailer 12$7,666 USD
Brilliant Earth$11,820 USD

41 data points across 12 retailers

21 retailers$1,978 USD to $11,820 USD

A
Cheapest Retailer
-
$1,978 USD
A
Retailer 2
-
$2,152 USD
View
A
Retailer 3
-
$2,216 USD
View
Final sale: no returns
A
Retailer 4
-
$2,295 USD
View
A
Retailer 5
-
$2,460 USD
View
A
Retailer 6
-
$2,650 USD
HK$20,700 HKD
View
A
Retailer 7
-
$3,156 USD
£2,485 GBP
View
A
Retailer 8
-
$3,434 USD
View
A
Retailer 9
-
$3,448 USD
€3,284 EUR
View
B+
Retailer 10
-
$4,250 USD
View
B+
Retailer 11
-
$4,359 USD
£3,432 GBP
View
B+
Retailer 12
-
$4,510 USD
View
B+
Retailer 13
-
$5,384 USD
View
B+
Retailer 14
-
$6,255 USD
View
B+
Retailer 15
-
$6,589 USD
£5,188 GBP
View
B
Retailer 16
-
$6,868 USD
View
B
Retailer 17
-
$7,391 USD
View
B
Retailer 18
-
$7,666 USD
SGD 10,359 SGD
View
B
Retailer 19
-
$8,031 USD
View
B
Retailer 20
-
$10,915 USD
View
Most Expensive
B
Brilliant Earth
20552395A · Oct 29
$11,820 USD
View
20 more retailers have this diamond
Prices start from $1,978 USDSave up to $9,842 USD

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
$1,978 USD