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Radiant|Lab Grown|IGI

4.11ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG708583531

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

Certificate IGI LG708583531

Diamond specifications and retailer prices

From $2,403 AUD
$1,688 USD
As of October 27, 2026
Save $18,165 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $20,568 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.11ct lab-grown radiant diamond

This 4.11ct 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 LG708583531 or 708583531. Listed at 25 retailers as of October 27, 2026, with prices from $2,403 to $20,568, a $18,165 spread on the same certified stone. Brilliant Earth lists it at $20,568. 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

4.11
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708583531
Dimensions11.65 × 7.81 × 5.22 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
11.65 mm7.81 mm4.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708583531
Side View
Table 62.0%Crown 42.5°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A+
Exceptional
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 27
Current: $20,568 AUD|Low: $2,307 AUD|High: $20,568 AUD|Avg: $6,155 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 21$2,403 AUD
Retailer 13$2,690 AUD
Retailer 6$2,787 AUD
Retailer 20$3,025 AUD
Retailer 5$3,124 AUD
Retailer 3$3,225 AUD
Retailer 2$3,951 AUD
Retailer 16$3,986 AUD
Retailer 18$4,384 AUD
Retailer 4$4,387 AUD
Retailer 8$5,225 AUD
Retailer 14$5,770 AUD
Retailer 15$5,933 AUD
Retailer 19$5,981 AUD
Retailer 7$7,756 AUD
Retailer 9$7,967 AUD
Retailer 17$7,972 AUD
Retailer 10$8,065 AUD
Retailer 11$9,313 AUD
Retailer 12$9,781 AUD
Brilliant Earth$20,568 AUD

37 data points across 21 retailers

25 retailers$2,403 AUD to $20,568 AUD

A+
Cheapest Retailer
-
$2,403 AUD
$1,688 USD
A
Retailer 2
-
$2,615 AUD
$1,837 USD
View
A
Retailer 3
-
$2,690 AUD
$1,890 USD
View
Final sale: no returns
A
Retailer 4
-
$2,787 AUD
$1,958 USD
View
Retailer 5
-
$2,787 AUD
$1,958 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$3,025 AUD
$2,125 USD
View
A
Retailer 7
-
$3,124 AUD
$2,195 USD
View
A
Retailer 8
-
$3,225 AUD
HK$17,700 HKD
View
A
Retailer 9
-
$3,951 AUD
£2,186 GBP
View
A
Retailer 10
-
$3,986 AUD
$2,800 USD
View
A
Retailer 11
-
$4,384 AUD
€2,933 EUR
View
A
Retailer 12
-
$4,387 AUD
$3,082 USD
View
A
Retailer 13
-
$5,225 AUD
$3,671 USD
View
A
Retailer 14
-
$5,770 AUD
£3,192 GBP
View
A
Retailer 15
-
$5,933 AUD
ZAR 67,342 ZAR
View
Retailer 16
-
$5,981 AUD
View
Price last confirmed 7 days ago
A
Retailer 17
-
$7,173 AUD
$5,039 USD
View
A
Retailer 18
-
$7,511 AUD
$5,277 USD
View
A
Retailer 19
-
$7,756 AUD
$5,449 USD
View
A
Retailer 20
-
$7,967 AUD
$5,597 USD
View
A
Retailer 21
-
$7,972 AUD
£4,410 GBP
View
A
Retailer 22
-
$8,065 AUD
$5,666 USD
View
A
Retailer 23
-
$9,313 AUD
SGD 8,842 SGD
View
B+
Retailer 24
-
$9,781 AUD
$6,872 USD
View
Most Expensive
B
Brilliant Earth
14297338A · Oct 29
$20,568 AUD
$14,450 USD
View
24 more retailers have this diamond
Prices start from $2,403 AUDSave up to $18,165 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+
4.11ct Radiant
$2,403 AUD