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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 $1,417 NZD
As of November 3, 2026
Save $11,621 NZD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $13,855 NZD 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: $13,039 NZD|Low: $1,417 NZD|High: $13,855 NZD|Avg: $4,399 NZD|-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
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 5, 2026
Retailer 11$1,417 NZD
Retailer 5$1,543 NZD
Retailer 4$1,588 NZD
Retailer 7$1,644 NZD
Retailer 17$1,644 NZD
Retailer 3$1,960 NZD
Retailer 18$2,155 NZD
Retailer 8$2,173 NZD
Retailer 16$2,599 NZD
Retailer 13$2,757 NZD
Retailer 21$2,762 NZD
Retailer 6$3,108 NZD
Retailer 20$3,663 NZD
Retailer 23$3,729 NZD
Retailer 24$4,100 NZD
Retailer 22$4,219 NZD
Retailer 12$5,106 NZD
Retailer 14$5,146 NZD
Retailer 9$5,460 NZD
Retailer 15$6,475 NZD
Retailer 2$6,787 NZD
Retailer 19$8,515 NZD
Retailer 10$12,595 NZD
Brilliant Earth$13,039 NZD

27 data points across 24 retailers

27 retailers$1,417 NZD to $13,039 NZD

A
Cheapest Retailer
-
$1,417 NZD
A
Retailer 2
-
$1,543 NZD
View
A
Retailer 3
-
$1,588 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,644 NZD
View
Retailer 5
-
$1,644 NZD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,960 NZD
View
A
Retailer 7
-
$2,155 NZD
View
A
Retailer 8
-
$2,173 NZD
View
A
Retailer 9
-
$2,599 NZD
View
A
Retailer 10
-
$2,757 NZD
View
A
Retailer 11
-
$2,762 NZD
View
A
Retailer 12
-
$3,108 NZD
View
B+
Retailer 13
-
$3,663 NZD
View
B+
Retailer 14
-
$3,729 NZD
View
B+
Retailer 15
-
$4,100 NZD
View
B+
Retailer 16
-
$4,219 NZD
View
B+
Retailer 17
-
$5,106 NZD
View
B+
Retailer 18
-
$5,146 NZD
View
B+
Retailer 19
-
$5,460 NZD
View
B+
Retailer 20
-
$6,475 NZD
View
B+
Retailer 21
-
$6,787 NZD
View
Retailer 22
-
$8,042 NZD
View
Price last confirmed 28 days ago
B
Retailer 23
-
$8,515 NZD
View
B
Retailer 24
-
$12,017 NZD
View
B
Retailer 25
-
$12,595 NZD
View
B
Retailer 26
-
$13,039 NZD
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
$13,855 NZD
$7,810 USD
View
Price last confirmed 21 days ago
26 more retailers have this diamond
Prices start from $1,417 NZDSave up to $11,621 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
3.11ct Round
$1,417 NZD