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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 HK$6,269 HKD
As of November 3, 2026
Save HK$51,398 HKD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$61,276 HKD 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: HK$57,667 HKD|Low: HK$6,269 HKD|High: HK$61,276 HKD|Avg: HK$19,457 HKD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 17
Retailer 18
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Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 5, 2026
Retailer 11HK$6,269 HKD
Retailer 5HK$6,826 HKD
Retailer 4HK$7,022 HKD
Retailer 7HK$7,273 HKD
Retailer 17HK$7,273 HKD
Retailer 3HK$8,670 HKD
Retailer 18HK$9,533 HKD
Retailer 8HK$9,611 HKD
Retailer 16HK$11,494 HKD
Retailer 13HK$12,192 HKD
Retailer 21HK$12,216 HKD
Retailer 6HK$13,746 HKD
Retailer 20HK$16,202 HKD
Retailer 23HK$16,492 HKD
Retailer 24HK$18,132 HKD
Retailer 22HK$18,657 HKD
Retailer 12HK$22,580 HKD
Retailer 14HK$22,761 HKD
Retailer 9HK$24,149 HKD
Retailer 15HK$28,637 HKD
Retailer 2HK$30,018 HKD
Retailer 19HK$37,660 HKD
Retailer 10HK$55,705 HKD
Brilliant EarthHK$57,667 HKD

27 data points across 24 retailers

27 retailersHK$6,269 HKD to HK$57,667 HKD

A
Cheapest Retailer
-
HK$6,269 HKD
A
Retailer 2
-
HK$6,826 HKD
View
A
Retailer 3
-
HK$7,022 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$7,273 HKD
View
Retailer 5
-
HK$7,273 HKD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$8,670 HKD
View
A
Retailer 7
-
HK$9,533 HKD
View
A
Retailer 8
-
HK$9,611 HKD
View
A
Retailer 9
-
HK$11,494 HKD
View
A
Retailer 10
-
HK$12,192 HKD
View
A
Retailer 11
-
HK$12,216 HKD
View
A
Retailer 12
-
HK$13,746 HKD
View
B+
Retailer 13
-
HK$16,202 HKD
View
B+
Retailer 14
-
HK$16,492 HKD
View
B+
Retailer 15
-
HK$18,132 HKD
View
B+
Retailer 16
-
HK$18,657 HKD
View
B+
Retailer 17
-
HK$22,580 HKD
View
B+
Retailer 18
-
HK$22,761 HKD
View
B+
Retailer 19
-
HK$24,149 HKD
View
B+
Retailer 20
-
HK$28,637 HKD
View
B+
Retailer 21
-
HK$30,018 HKD
View
Retailer 22
-
HK$35,565 HKD
View
Price last confirmed 28 days ago
B
Retailer 23
-
HK$37,660 HKD
View
B
Retailer 24
-
HK$53,147 HKD
View
B
Retailer 25
-
HK$55,705 HKD
View
B
Retailer 26
-
HK$57,667 HKD
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
HK$61,276 HKD
$7,810 USD
View
Price last confirmed 21 days ago
26 more retailers have this diamond
Prices start from HK$6,269 HKDSave up to HK$51,398 HKD

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
HK$6,269 HKD