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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 $2,510 AUD
£1,388 GBP
As of October 30, 2026
Save $16,238 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,749 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $2,510 to $18,749, a $16,238 spread on the same certified stone. Brilliant Earth lists it at $18,749. 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 30
Current: $18,749 AUD|Low: $2,451 AUD|High: $22,436 AUD|Avg: $7,320 AUD|-16.4%
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 31, 2026
Retailer 10$2,510 AUD
Retailer 13$2,527 AUD
Retailer 4$2,750 AUD
Retailer 14$3,133 AUD
Retailer 7$3,986 AUD
Retailer 3$4,449 AUD
Retailer 12$4,600 AUD
Retailer 16$4,931 AUD
Retailer 9$5,161 AUD
Retailer 2$5,187 AUD
Retailer 5$6,759 AUD
Retailer 6$7,018 AUD
Retailer 17$9,255 AUD
Retailer 11$10,236 AUD
Retailer 8$15,197 AUD
Retailer 15$17,382 AUD
Brilliant Earth$18,749 AUD

38 data points across 17 retailers

19 retailers$2,510 AUD to $18,749 AUD

A+
Cheapest Retailer
-
$2,510 AUD
£1,388 GBP
A
Retailer 2
-
$2,527 AUD
$1,775 USD
View
A
Retailer 3
-
$2,750 AUD
$1,932 USD
View
A
Retailer 4
-
$3,035 AUD
$2,132 USD
View
Final sale: no returns
A
Retailer 5
-
$3,133 AUD
$2,201 USD
View
A
Retailer 6
-
$3,986 AUD
$2,800 USD
View
A
Retailer 7
-
$4,449 AUD
$3,125 USD
View
A
Retailer 8
-
$4,600 AUD
$3,231 USD
View
A
Retailer 9
-
$4,931 AUD
$3,464 USD
View
A
Retailer 10
-
$5,161 AUD
$3,625 USD
View
A
Retailer 11
-
$5,187 AUD
€3,470 EUR
View
A
Retailer 12
-
$6,759 AUD
$4,748 USD
View
Retailer 13
-
$7,018 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$8,599 AUD
$6,040 USD
View
B+
Retailer 15
-
$9,255 AUD
£5,119 GBP
View
B+
Retailer 16
-
$10,236 AUD
$7,190 USD
View
Retailer 17
-
$15,197 AUD
View
Price last confirmed 23 days ago
B
Retailer 18
-
$17,382 AUD
$12,210 USD
View
Most Expensive
B
Brilliant Earth
17680507Y · Oct 30
$18,749 AUD
$13,170 USD
View
18 more retailers have this diamond
Prices start from $2,510 AUDSave up to $16,238 AUD

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
$2,510 AUD