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Round|Lab Grown|IGI

3.11ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG631466058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631466058

Diamond specifications and retailer prices

From $1,139 AUD
As of November 3, 2026
Save $9,338 AUD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $11,133 AUD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631466058 or 631466058. Listed at 27 retailers as of November 3, 2026, with a 820% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631466058
Dimensions9.51 × 9.45 × 5.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.51 mm9.45 mm3.11 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631466058
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.3%

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: Nov 3
Current: $10,477 AUD|Low: $1,139 AUD|High: $11,133 AUD|Avg: $3,535 AUD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 22
Retailer 23
Retailer 24
November 5, 2026
Retailer 11$1,139 AUD
Retailer 5$1,240 AUD
Retailer 4$1,276 AUD
Retailer 7$1,321 AUD
Retailer 17$1,321 AUD
Retailer 3$1,575 AUD
Retailer 18$1,732 AUD
Retailer 8$1,746 AUD
Retailer 16$2,088 AUD
Retailer 13$2,215 AUD
Retailer 21$2,220 AUD
Retailer 6$2,497 AUD
Retailer 20$2,944 AUD
Retailer 23$2,996 AUD
Retailer 24$3,294 AUD
Retailer 22$3,390 AUD
Retailer 12$4,103 AUD
Retailer 14$4,135 AUD
Retailer 9$4,388 AUD
Retailer 15$5,203 AUD
Retailer 2$5,454 AUD
Retailer 19$6,842 AUD
Retailer 10$10,121 AUD
Brilliant Earth$10,477 AUD

27 data points across 24 retailers

27 retailers$1,139 AUD to $10,477 AUD

A
Cheapest Retailer
-
$1,139 AUD
A
Retailer 2
-
$1,240 AUD
View
A
Retailer 3
-
$1,276 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,321 AUD
View
Retailer 5
-
$1,321 AUD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,575 AUD
View
A
Retailer 7
-
$1,732 AUD
View
A
Retailer 8
-
$1,746 AUD
View
A
Retailer 9
-
$2,088 AUD
View
A
Retailer 10
-
$2,215 AUD
View
A
Retailer 11
-
$2,220 AUD
View
A
Retailer 12
-
$2,497 AUD
View
B+
Retailer 13
-
$2,944 AUD
View
B+
Retailer 14
-
$2,996 AUD
View
B+
Retailer 15
-
$3,294 AUD
View
B+
Retailer 16
-
$3,390 AUD
View
B+
Retailer 17
-
$4,103 AUD
View
B+
Retailer 18
-
$4,135 AUD
View
B+
Retailer 19
-
$4,388 AUD
View
B+
Retailer 20
-
$5,203 AUD
View
B+
Retailer 21
-
$5,454 AUD
View
Retailer 22
-
$6,462 AUD
View
Price last confirmed 28 days ago
B
Retailer 23
-
$6,842 AUD
View
B
Retailer 24
-
$9,656 AUD
View
B
Retailer 25
-
$10,121 AUD
View
B
Retailer 26
-
$10,477 AUD
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
$11,133 AUD
$7,810 USD
View
Price last confirmed 21 days ago
26 more retailers have this diamond
Prices start from $1,139 AUDSave up to $9,338 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 Round
$1,139 AUD