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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 $3,005 NZD
$1,688 USD
As of October 27, 2026
Save $22,723 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $25,728 NZD 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 $3,005 to $25,728, a $22,723 spread on the same certified stone. Brilliant Earth lists it at $25,728. 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

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A+
Exceptional
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: $25,728 NZD|Low: $2,886 NZD|High: $25,728 NZD|Avg: $7,633 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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 29, 2026
Retailer 21$3,005 NZD
Retailer 2$3,365 NZD
Retailer 6$3,486 NZD
Retailer 20$3,784 NZD
Retailer 5$3,908 NZD
Retailer 3$4,034 NZD
Retailer 13$4,927 NZD
Retailer 16$4,985 NZD
Retailer 18$5,483 NZD
Retailer 4$5,488 NZD
Retailer 8$6,536 NZD
Retailer 14$7,218 NZD
Retailer 15$7,422 NZD
Retailer 19$7,482 NZD
Retailer 7$9,702 NZD
Retailer 9$9,965 NZD
Retailer 17$9,972 NZD
Retailer 10$10,089 NZD
Retailer 11$11,650 NZD
Retailer 12$12,235 NZD
Brilliant Earth$25,728 NZD

37 data points across 21 retailers

25 retailers$3,005 NZD to $25,728 NZD

A+
Cheapest Retailer
-
$3,005 NZD
$1,688 USD
A
Retailer 2
-
$3,271 NZD
$1,837 USD
View
A
Retailer 3
-
$3,365 NZD
$1,890 USD
View
Final sale: no returns
A
Retailer 4
-
$3,486 NZD
$1,958 USD
View
Retailer 5
-
$3,486 NZD
$1,958 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$3,784 NZD
$2,125 USD
View
A
Retailer 7
-
$3,908 NZD
$2,195 USD
View
A
Retailer 8
-
$4,034 NZD
HK$17,700 HKD
View
A
Retailer 9
-
$4,927 NZD
£2,179 GBP
View
A
Retailer 10
-
$4,985 NZD
$2,800 USD
View
A
Retailer 11
-
$5,483 NZD
€2,933 EUR
View
A
Retailer 12
-
$5,488 NZD
$3,082 USD
View
A
Retailer 13
-
$6,536 NZD
$3,671 USD
View
A
Retailer 14
-
$7,218 NZD
£3,192 GBP
View
A
Retailer 15
-
$7,422 NZD
ZAR 67,342 ZAR
View
Retailer 16
-
$7,482 NZD
A$6,465 AUD
View
Price last confirmed 7 days ago
A
Retailer 17
-
$8,972 NZD
$5,039 USD
View
A
Retailer 18
-
$9,396 NZD
$5,277 USD
View
A
Retailer 19
-
$9,702 NZD
$5,449 USD
View
A
Retailer 20
-
$9,965 NZD
$5,597 USD
View
A
Retailer 21
-
$9,972 NZD
£4,410 GBP
View
A
Retailer 22
-
$10,089 NZD
$5,666 USD
View
A
Retailer 23
-
$11,650 NZD
SGD 8,842 SGD
View
B+
Retailer 24
-
$12,235 NZD
$6,872 USD
View
Most Expensive
B
Brilliant Earth
14297338A · Oct 29
$25,728 NZD
$14,450 USD
View
24 more retailers have this diamond
Prices start from $3,005 NZDSave up to $22,723 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+
4.11ct Radiant
$3,005 NZD