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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 $3,510 NZD
$1,978 USD
As of October 30, 2026
Save $17,463 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,972 NZD 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 $3,510 to $20,972, a $17,463 spread on the same certified stone. Brilliant Earth lists it at $20,972. 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: $20,972 NZD|Low: $2,805 NZD|High: $21,363 NZD|Avg: $9,801 NZD|-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$3,930 NZD
Retailer 11$4,365 NZD
Retailer 5$5,600 NZD
Retailer 10$6,093 NZD
Retailer 7$6,118 NZD
Retailer 3$7,734 NZD
Retailer 9$9,553 NZD
Retailer 8$11,098 NZD
Retailer 6$11,690 NZD
Retailer 4$13,114 NZD
Retailer 12$13,601 NZD
Brilliant Earth$20,972 NZD

40 data points across 12 retailers

21 retailers$3,510 NZD to $20,972 NZD

A
Cheapest Retailer
-
$3,510 NZD
$1,978 USD
A
Retailer 2
-
$3,818 NZD
$2,152 USD
View
A
Retailer 3
-
$3,930 NZD
$2,215 USD
View
Final sale: no returns
A
Retailer 4
-
$4,072 NZD
$2,295 USD
View
A
Retailer 5
-
$4,365 NZD
$2,460 USD
View
A
Retailer 6
-
$4,701 NZD
HK$20,700 HKD
View
A
Retailer 7
-
$5,600 NZD
£2,485 GBP
View
A
Retailer 8
-
$6,093 NZD
$3,434 USD
View
Retailer 9
-
$6,118 NZD
€3,284 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$7,541 NZD
$4,250 USD
View
B+
Retailer 11
-
$7,734 NZD
£3,432 GBP
View
B+
Retailer 12
-
$8,002 NZD
$4,510 USD
View
B+
Retailer 13
-
$9,553 NZD
$5,384 USD
View
B+
Retailer 14
-
$11,098 NZD
$6,255 USD
View
B+
Retailer 15
-
$11,690 NZD
£5,188 GBP
View
B
Retailer 16
-
$12,185 NZD
$6,868 USD
View
B
Retailer 17
-
$13,114 NZD
$7,391 USD
View
B
Retailer 18
-
$13,601 NZD
SGD 10,359 SGD
View
B
Retailer 19
-
$14,250 NZD
$8,031 USD
View
B
Retailer 20
-
$19,366 NZD
$10,915 USD
View
Most Expensive
B
Brilliant Earth
20552395A · Oct 29
$20,972 NZD
$11,820 USD
View
20 more retailers have this diamond
Prices start from $3,510 NZDSave up to $17,463 NZD

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
$3,510 NZD