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Radiant|Lab Grown|IGI

4.03ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG749583767

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

Certificate IGI LG749583767

Diamond specifications and retailer prices

From $2,403 AUD
$1,688 USD
As of October 30, 2026
Save $9,299 AUD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,702 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.03ct lab-grown radiant diamond

This 4.03ct 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 LG749583767 or 749583767. Listed at 23 retailers as of October 29, 2026, with prices from $2,403 to $11,702, a $9,299 spread on the same certified stone. Brilliant Earth lists it at $11,702. 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

4.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749583767
Dimensions11.20 × 7.50 × 5.21 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm7.50 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749583767
Side View
Table 67.0%Crown 43.3°Girdle: Slightly ThickPavilion 31.6°Culet: NoneDepth 69.5%

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: $11,702 AUD|Low: $2,308 AUD|High: $11,702 AUD|Avg: $5,643 AUD
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 21$2,403 AUD
Retailer 7$2,787 AUD
Retailer 20$2,928 AUD
Retailer 3$3,025 AUD
Retailer 6$3,121 AUD
Retailer 4$3,225 AUD
Retailer 2$3,952 AUD
Retailer 16$3,986 AUD
Retailer 5$4,379 AUD
Retailer 17$4,384 AUD
Retailer 9$5,226 AUD
Retailer 14$5,771 AUD
Retailer 13$5,934 AUD
Retailer 18$5,982 AUD
Retailer 19$7,174 AUD
Retailer 8$7,490 AUD
Retailer 15$8,004 AUD
Retailer 10$8,066 AUD
Retailer 11$9,315 AUD
Retailer 12$9,783 AUD
Brilliant Earth$11,702 AUD

31 data points across 21 retailers

23 retailers$2,403 AUD to $11,702 AUD

A
Cheapest Retailer
-
$2,403 AUD
$1,688 USD
A
Retailer 2
-
$2,787 AUD
$1,958 USD
View
A
Retailer 3
-
$2,928 AUD
$2,057 USD
View
Final sale: no returns
A
Retailer 4
-
$3,025 AUD
$2,125 USD
View
A
Retailer 5
-
$3,121 AUD
$2,192 USD
View
A
Retailer 6
-
$3,225 AUD
HK$17,700 HKD
View
A
Retailer 7
-
$3,952 AUD
£2,186 GBP
View
A
Retailer 8
-
$3,986 AUD
$2,800 USD
View
A
Retailer 9
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$4,379 AUD
$3,076 USD
View
A
Retailer 10
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$4,384 AUD
€2,933 EUR
View
A
Retailer 11
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$5,226 AUD
$3,671 USD
View
A
Retailer 12
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$5,771 AUD
£3,192 GBP
View
A
Retailer 13
-
$5,934 AUD
ZAR 67,341 ZAR
View
Retailer 14
-
$5,982 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
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$7,174 AUD
$5,039 USD
View
A
Retailer 16
-
$7,490 AUD
$5,261 USD
View
A
Retailer 17
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$7,968 AUD
$5,597 USD
View
A
Retailer 18
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$8,004 AUD
£4,427 GBP
View
A
Retailer 19
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$8,066 AUD
$5,666 USD
View
Retailer 20
-
$9,239 AUD
$6,490 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$9,315 AUD
SGD 8,842 SGD
View
B+
Retailer 22
-
$9,783 AUD
$6,872 USD
View
Most Expensive
B+
Brilliant Earth
16698126A · Oct 29
$11,702 AUD
$8,220 USD
View
22 more retailers have this diamond
Prices start from $2,403 AUDSave up to $9,299 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
4.03ct Radiant
$2,403 AUD