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Radiant|Lab Grown|IGI

3.11ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG741538061

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

Certificate IGI LG741538061

Diamond specifications and retailer prices

From $1,780 AUD
$1,250 USD
As of October 30, 2026
Save $10,321 AUD (85%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $12,101 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741538061 or 741538061. Listed at 33 retailers as of October 30, 2026, with prices from $1,780 to $12,101, a $10,321 spread on the same certified stone. Brilliant Earth lists it at $12,101. 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

3.11
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741538061
Dimensions10.62 × 7.23 × 4.69 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.62 mm7.23 mm3.11 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741538061
Side View
Table 64.0%Crown 43.3°Girdle: MediumPavilion 32.9°Culet: NoneDepth 64.9%

Caratlytics Score

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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 30
Current: $12,101 AUD|Low: $1,780 AUD|High: $17,055 AUD|Avg: $5,209 AUD|-29.0%
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
Retailer 22
Retailer 23
Retailer 24
November 1, 2026
Retailer 6$1,780 AUD
Retailer 22$1,993 AUD
Retailer 23$2,171 AUD
Retailer 4$2,402 AUD
Retailer 8$2,515 AUD
Retailer 13$2,909 AUD
Retailer 2$3,103 AUD
Retailer 21$3,302 AUD
Retailer 3$3,848 AUD
Retailer 18$3,871 AUD
Retailer 24$4,355 AUD
Retailer 19$4,663 AUD
Retailer 14$4,794 AUD
Retailer 12$4,990 AUD
Retailer 17$5,844 AUD
Retailer 5$5,925 AUD
Retailer 7$6,471 AUD
Retailer 11$7,243 AUD
Retailer 10$7,262 AUD
Retailer 15$7,301 AUD
Retailer 9$7,882 AUD
Retailer 16$8,136 AUD
Retailer 20$9,751 AUD
Brilliant Earth$12,101 AUD

31 data points across 24 retailers

33 retailers$1,780 AUD to $12,101 AUD

A
Cheapest Retailer
-
$1,780 AUD
$1,250 USD
Retailer 2
-
$1,949 AUD
$1,369 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$1,993 AUD
$1,400 USD
View
Final sale: no returns
Retailer 4
-
$2,094 AUD
$1,471 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$2,171 AUD
$1,525 USD
View
Retailer 6
-
$2,261 AUD
$1,588 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$2,279 AUD
$1,601 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$2,396 AUD
$1,683 USD
View
Price last confirmed 35 days ago
Retailer 9
-
$2,396 AUD
$1,683 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$2,402 AUD
$1,687 USD
View
A
Retailer 11
-
$2,515 AUD
HK$13,800 HKD
View
A
Retailer 12
-
$2,909 AUD
£1,609 GBP
View
A
Retailer 13
-
$3,103 AUD
$2,180 USD
View
Retailer 14
-
$3,266 AUD
£1,807 GBP
View
Price last confirmed 17 days ago
A
Retailer 15
-
$3,302 AUD
€2,209 EUR
View
A
Retailer 16
-
$3,848 AUD
$2,703 USD
View
A
Retailer 17
-
$3,871 AUD
$2,719 USD
View
Retailer 18
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$4,237 AUD
$2,976 USD
View
Price last confirmed 22 days ago
A
Retailer 19
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$4,355 AUD
$3,059 USD
View
Retailer 20
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$4,554 AUD
$3,199 USD
View
Price last confirmed 32 days ago
A
Retailer 21
-
$4,663 AUD
View
A
Retailer 22
-
$4,794 AUD
ZAR 54,407 ZAR
View
B+
Retailer 23
-
$4,990 AUD
£2,760 GBP
View
B+
Retailer 24
-
$5,844 AUD
$4,105 USD
View
B+
Retailer 25
-
$5,925 AUD
$4,162 USD
View
B+
Retailer 26
-
$6,471 AUD
$4,545 USD
View
B+
Retailer 27
-
$7,243 AUD
$5,088 USD
View
B+
Retailer 28
-
$7,262 AUD
SGD 6,893 SGD
View
B+
Retailer 29
-
$7,301 AUD
£4,038 GBP
View
B+
Retailer 30
-
$7,882 AUD
$5,537 USD
View
Retailer 31
-
$8,136 AUD
$5,715 USD
View
Price last confirmed 11 days ago
B
Retailer 32
-
$9,751 AUD
View
Most Expensive
B
Brilliant Earth
16656363A · Oct 31
$12,101 AUD
$8,500 USD
View
32 more retailers have this diamond
Prices start from $1,780 AUDSave up to $10,321 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
3.11ct Radiant
$1,780 AUD