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Round|Lab Grown|IGI

3.14ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG683521569

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683521569

Diamond specifications and retailer prices

From £419 GBP
As of November 3, 2026
Save £3,389 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,807 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.14ct lab-grown round diamond

This 3.14ct 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 LG683521569 or 683521569. Listed at 20 retailers as of November 3, 2026, with prices from £419 to £3,807, a £3,389 spread on the same certified stone. Rare Carat lists it at £3,807. 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

3.14
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683521569
Dimensions9.29 × 9.35 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.29 mm9.35 mm3.14 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683521569
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 3
Current: £3,807 GBP|Low: £419 GBP|High: £4,174 GBP|Avg: £1,235 GBP|-8.8%
Rare Carat
Retailer 2
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November 5, 2026
Retailer 10£419 GBP
Retailer 6£469 GBP
Retailer 7£469 GBP
Retailer 11£519 GBP
Retailer 12£519 GBP
Retailer 13£576 GBP
Retailer 16£619 GBP
Retailer 18£715 GBP
Retailer 3£727 GBP
Retailer 2£800 GBP
Retailer 17£1,096 GBP
Retailer 14£1,127 GBP
Retailer 19£1,289 GBP
Retailer 20£1,366 GBP
Retailer 5£1,639 GBP
Retailer 8£1,672 GBP
Retailer 9£1,683 GBP
Retailer 4£1,747 GBP
Retailer 15£2,255 GBP
Rare Carat£3,807 GBP

35 data points across 20 retailers

20 retailers£419 GBP to £3,807 GBP

A
Cheapest Retailer
-
£419 GBP
A
Retailer 2
-
£469 GBP
View
Final sale: no returns
A
Retailer 3
-
£469 GBP
View
A
Retailer 4
-
£519 GBP
View
Retailer 5
-
£519 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
-
£576 GBP
View
A
Retailer 7
-
£619 GBP
View
A
Retailer 8
-
£715 GBP
View
A
Retailer 9
-
£727 GBP
View
A
Retailer 10
-
£800 GBP
View
A
Retailer 11
-
£1,096 GBP
View
A
Retailer 12
-
£1,127 GBP
View
A
Retailer 13
-
£1,289 GBP
View
A
Retailer 14
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£1,366 GBP
View
B+
Retailer 15
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£1,639 GBP
View
B+
Retailer 16
-
£1,672 GBP
View
B+
Retailer 17
-
£1,683 GBP
View
B+
Retailer 18
-
£1,747 GBP
View
B+
Retailer 19
-
£2,255 GBP
View
Most Expensive
B
Rare Carat
SS11743_l_683521569 · Nov 4
£3,807 GBP
$5,140 USD
View
19 more retailers have this diamond
Prices start from £419 GBPSave up to £3,389 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
3.14ct Round
£419 GBP