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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 $1,021 SGD
As of November 3, 2026
Save $8,372 SGD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $9,980 SGD 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: $9,393 SGD|Low: $1,021 SGD|High: $9,980 SGD|Avg: $3,169 SGD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 24
November 5, 2026
Retailer 11$1,021 SGD
Retailer 5$1,112 SGD
Retailer 4$1,144 SGD
Retailer 7$1,185 SGD
Retailer 17$1,185 SGD
Retailer 3$1,412 SGD
Retailer 18$1,553 SGD
Retailer 8$1,565 SGD
Retailer 16$1,872 SGD
Retailer 13$1,986 SGD
Retailer 21$1,990 SGD
Retailer 6$2,239 SGD
Retailer 20$2,639 SGD
Retailer 23$2,686 SGD
Retailer 24$2,953 SGD
Retailer 22$3,039 SGD
Retailer 12$3,678 SGD
Retailer 14$3,707 SGD
Retailer 9$3,933 SGD
Retailer 15$4,664 SGD
Retailer 2$4,889 SGD
Retailer 19$6,134 SGD
Retailer 10$9,073 SGD
Brilliant Earth$9,393 SGD

27 data points across 24 retailers

27 retailers$1,021 SGD to $9,393 SGD

A
Cheapest Retailer
-
$1,021 SGD
A
Retailer 2
-
$1,112 SGD
View
A
Retailer 3
-
$1,144 SGD
View
Final sale: no returns
A
Retailer 4
-
$1,185 SGD
View
Retailer 5
-
$1,185 SGD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$1,412 SGD
View
A
Retailer 7
-
$1,553 SGD
View
A
Retailer 8
-
$1,565 SGD
View
A
Retailer 9
-
$1,872 SGD
View
A
Retailer 10
-
$1,986 SGD
View
A
Retailer 11
-
$1,990 SGD
View
A
Retailer 12
-
$2,239 SGD
View
B+
Retailer 13
-
$2,639 SGD
View
B+
Retailer 14
-
$2,686 SGD
View
B+
Retailer 15
-
$2,953 SGD
View
B+
Retailer 16
-
$3,039 SGD
View
B+
Retailer 17
-
$3,678 SGD
View
B+
Retailer 18
-
$3,707 SGD
View
B+
Retailer 19
-
$3,933 SGD
View
B+
Retailer 20
-
$4,664 SGD
View
B+
Retailer 21
-
$4,889 SGD
View
Retailer 22
-
$5,793 SGD
View
Price last confirmed 28 days ago
B
Retailer 23
-
$6,134 SGD
View
B
Retailer 24
-
$8,656 SGD
View
B
Retailer 25
-
$9,073 SGD
View
B
Retailer 26
-
$9,393 SGD
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
$9,980 SGD
$7,810 USD
View
Price last confirmed 21 days ago
26 more retailers have this diamond
Prices start from $1,021 SGDSave up to $8,372 SGD

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
$1,021 SGD