Round|Lab Grown|IGI

4.19ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG744514486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG744514486

Diamond specifications and retailer prices

From £1,328 GBP
As of October 29, 2026
Save £10,507 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £11,835 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.19ct lab-grown round diamond

This 4.19ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514486 or 744514486. Listed at 19 retailers as of October 29, 2026, with prices from £1,328 to £11,835, a £10,507 spread on the same certified stone. Brilliant Earth lists it at £11,835. 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

4.19
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514486
Dimensions10.34 × 10.40 × 6.35 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
10.34 mm10.40 mm4.19 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514486
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £11,835 GBP|Low: £1,293 GBP|High: £12,203 GBP|Avg: £3,969 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
Retailer 17
October 29, 2026
Retailer 2£1,328 GBP
Retailer 13£1,333 GBP
Retailer 4£1,451 GBP
Retailer 14£1,653 GBP
Retailer 7£2,103 GBP
Retailer 3£2,347 GBP
Retailer 12£2,426 GBP
Retailer 16£2,601 GBP
Retailer 9£2,722 GBP
Retailer 10£2,745 GBP
Retailer 5£3,565 GBP
Retailer 6£3,702 GBP
Retailer 17£4,882 GBP
Retailer 11£5,399 GBP
Retailer 8£8,016 GBP
Retailer 15£9,169 GBP
Brilliant Earth£11,835 GBP

36 data points across 17 retailers

19 retailers£1,328 GBP to £11,835 GBP

A+
Cheapest Retailer
-
£1,328 GBP
A
Retailer 2
-
£1,333 GBP
$1,775 USD
View
A
Retailer 3
-
£1,451 GBP
$1,932 USD
View
A
Retailer 4
-
£1,601 GBP
$2,132 USD
View
Final sale: no returns
A
Retailer 5
-
£1,653 GBP
$2,201 USD
View
A
Retailer 6
-
£2,103 GBP
$2,800 USD
View
A
Retailer 7
-
£2,347 GBP
$3,125 USD
View
A
Retailer 8
-
£2,426 GBP
$3,231 USD
View
A
Retailer 9
-
£2,601 GBP
$3,464 USD
View
A
Retailer 10
-
£2,722 GBP
$3,625 USD
View
A
Retailer 11
-
£2,745 GBP
€3,481 EUR
View
A
Retailer 12
-
£3,565 GBP
$4,748 USD
View
A
Retailer 13
-
£3,702 GBP
A$7,584 AUD
View
Price last confirmed 7 days ago
A
Retailer 14
-
£4,536 GBP
$6,040 USD
View
B+
Retailer 15
-
£4,882 GBP
View
B+
Retailer 16
-
£5,399 GBP
$7,190 USD
View
B+
Retailer 17
-
£8,016 GBP
A$16,423 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
£9,169 GBP
$12,210 USD
View
Most Expensive
B
Brilliant Earth
17680507Y · Oct 29
£11,835 GBP
$15,760 USD
View
18 more retailers have this diamond
Prices start from £1,328 GBPSave up to £10,507 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+
4.19ct Round
£1,328 GBP