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Round|Lab Grown|IGI

3.13ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG849662189

Shape and cutting style on the report: Round brilliant

Certificate IGI LG849662189

Diamond specifications and retailer prices

From £767 GBP
As of November 4, 2026
Save £4,566 GBP (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,333 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.13ct lab-grown round diamond

This 3.13ct 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 LG849662189 or 849662189. Listed at 14 retailers as of November 3, 2026, with prices from £767 to £5,333, a £4,566 spread on the same certified stone. Brilliant Earth lists it at £5,333. 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

3.13
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849662189
Dimensions9.34 × 9.29 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.34 mm9.29 mm3.13 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849662189
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Nov 4
Current: £5,333 GBP|Low: £767 GBP|High: £5,667 GBP|Avg: £1,884 GBP|-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
November 5, 2026
Retailer 3£767 GBP
Retailer 7£790 GBP
Retailer 9£796 GBP
Retailer 2£1,006 GBP
Retailer 14£1,047 GBP
Retailer 8£1,075 GBP
Retailer 12£1,502 GBP
Retailer 10£1,546 GBP
Retailer 13£1,582 GBP
Retailer 6£2,126 GBP
Retailer 5£2,210 GBP
Retailer 11£2,493 GBP
Retailer 4£4,189 GBP
Brilliant Earth£5,333 GBP

11 data points across 14 retailers

14 retailers£767 GBP to £5,333 GBP

A
Cheapest Retailer
-
£767 GBP
A
Retailer 2
-
£790 GBP
View
A
Retailer 3
-
£796 GBP
View
A
Retailer 4
-
£1,006 GBP
View
A
Retailer 5
-
£1,047 GBP
View
A
Retailer 6
-
£1,075 GBP
View
B+
Retailer 7
-
£1,502 GBP
View
B+
Retailer 8
-
£1,546 GBP
View
B+
Retailer 9
-
£1,582 GBP
View
B+
Retailer 10
-
£2,126 GBP
View
B+
Retailer 11
-
£2,210 GBP
View
B+
Retailer 12
-
£2,493 GBP
View
Retailer 13
-
£4,189 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
22315884A · Nov 3
£5,333 GBP
$7,200 USD
View
13 more retailers have this diamond
Prices start from £767 GBPSave up to £4,566 GBP

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
3.13ct Round
£767 GBP