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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 $3,129 NZD
£1,388 GBP
As of October 30, 2026
Save $20,239 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $23,368 NZD at Brilliant Earth · As of October 31, 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 $3,129 to $23,368, a $20,239 spread on the same certified stone. Brilliant Earth lists it at $23,368. 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: $23,368 NZD|Low: $3,055 NZD|High: $27,963 NZD|Avg: $9,249 NZD|-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
November 1, 2026
Retailer 11$3,129 NZD
Retailer 14$3,149 NZD
Retailer 5$3,428 NZD
Retailer 15$3,905 NZD
Retailer 8$4,968 NZD
Retailer 4$5,545 NZD
Retailer 13$5,733 NZD
Retailer 17$6,146 NZD
Retailer 9$6,432 NZD
Retailer 10$6,465 NZD
Retailer 6$8,423 NZD
Retailer 7$8,747 NZD
Retailer 3$11,535 NZD
Retailer 12$12,757 NZD
Retailer 2$18,700 NZD
Retailer 16$21,664 NZD
Brilliant Earth$23,368 NZD

39 data points across 17 retailers

19 retailers$3,129 NZD to $23,368 NZD

A+
Cheapest Retailer
-
$3,129 NZD
£1,388 GBP
A
Retailer 2
-
$3,149 NZD
$1,775 USD
View
A
Retailer 3
-
$3,428 NZD
$1,932 USD
View
A
Retailer 4
-
$3,783 NZD
$2,132 USD
View
Final sale: no returns
A
Retailer 5
-
$3,905 NZD
$2,201 USD
View
A
Retailer 6
-
$4,968 NZD
$2,800 USD
View
A
Retailer 7
-
$5,545 NZD
$3,125 USD
View
A
Retailer 8
-
$5,733 NZD
$3,231 USD
View
A
Retailer 9
-
$6,146 NZD
$3,464 USD
View
A
Retailer 10
-
$6,432 NZD
$3,625 USD
View
A
Retailer 11
-
$6,465 NZD
€3,470 EUR
View
A
Retailer 12
-
$8,423 NZD
$4,748 USD
View
Retailer 13
-
$8,747 NZD
A$7,584 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$10,717 NZD
$6,040 USD
View
B+
Retailer 15
-
$11,535 NZD
£5,119 GBP
View
B+
Retailer 16
-
$12,757 NZD
$7,190 USD
View
B+
Retailer 17
-
$18,700 NZD
A$16,214 AUD
View
B
Retailer 18
-
$21,664 NZD
$12,210 USD
View
Most Expensive
B
Brilliant Earth
17680507Y · Oct 31
$23,368 NZD
$13,170 USD
View
18 more retailers have this diamond
Prices start from $3,129 NZDSave up to $20,239 NZD

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
$3,129 NZD