Round|Lab Grown|IGI

3.38ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG793603318

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793603318

Diamond specifications and retailer prices

From £1,434 GBP
$1,922 USD
As of October 26, 2026
Save £7,835 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £9,269 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.38ct lab-grown round diamond

This 3.38ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG793603318 or 793603318. Listed at 22 retailers as of October 26, 2026, with prices from £1,434 to £9,269, a £7,835 spread on the same certified stone. Brilliant Earth lists it at £9,269. 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

3.38
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793603318
Dimensions9.66 × 9.74 × 5.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.74 mm3.38 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793603318
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: Oct 26
Current: £9,269 GBP|Low: £1,175 GBP|High: £9,560 GBP|Avg: £2,756 GBP|-3.0%
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
October 31, 2026
Retailer 13£1,329 GBP
Retailer 7£1,434 GBP
Retailer 4£1,496 GBP
Retailer 10£1,701 GBP
Retailer 3£1,746 GBP
Retailer 9£1,850 GBP
Retailer 6£1,993 GBP
Retailer 8£2,099 GBP
Retailer 2£2,163 GBP
Retailer 14£2,364 GBP
Retailer 12£2,816 GBP
Retailer 16£2,997 GBP
Retailer 5£3,021 GBP
Retailer 11£3,481 GBP
Retailer 15£6,014 GBP
Brilliant Earth£9,269 GBP

39 data points across 16 retailers

22 retailers£1,434 GBP to £9,269 GBP

Retailer 1
-
£1,049 GBP
$1,406 USD
Price last confirmed 22 days ago
Retailer 2
-
£1,217 GBP
$1,631 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£1,217 GBP
$1,631 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£1,434 GBP
$1,922 USD
View
A
Retailer 5
-
£1,496 GBP
$2,005 USD
View
B+
Retailer 6
-
£1,701 GBP
View
B+
Retailer 7
-
£1,746 GBP
$2,340 USD
View
B+
Retailer 8
-
£1,850 GBP
€2,361 EUR
View
B+
Retailer 9
-
£1,993 GBP
$2,670 USD
View
B+
Retailer 10
-
£2,099 GBP
$2,812 USD
View
B+
Retailer 11
-
£2,163 GBP
A$4,458 AUD
View
Retailer 12
-
£2,282 GBP
$3,057 USD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
£2,364 GBP
CA$4,400 CAD
View
Retailer 14
-
£2,816 GBP
ZAR 60,946 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£2,997 GBP
$4,015 USD
View
B+
Retailer 16
-
£3,021 GBP
$4,048 USD
View
B
Retailer 17
-
£3,481 GBP
View
Retailer 18
-
£3,763 GBP
$5,042 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
£4,282 GBP
$5,737 USD
View
B
Retailer 20
-
£5,901 GBP
$7,907 USD
View
B
Retailer 21
-
£6,014 GBP
$8,058 USD
View
Most Expensive
B
Brilliant Earth
18879636A · Oct 28
£9,269 GBP
$12,420 USD
View
21 more retailers have this diamond
Prices start from £1,434 GBPSave up to £7,835 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
3.38ct Round
£1,434 GBP