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Oval|Lab Grown|IGI

4.20ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG768631044

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768631044

Diamond specifications and retailer prices

From $3,229 AUD
$2,268 USD
As of October 29, 2026
Save $19,338 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $22,566 AUD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 4.2ct lab-grown oval diamond

This 4.2ct lab-grown oval 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 LG768631044 or 768631044. Listed at 17 retailers as of October 29, 2026, with prices from $3,229 to $22,566, a $19,338 spread on the same certified stone. Novita Diamonds lists it at $22,566. 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631044
Dimensions12.66 × 9.07 × 5.51 mm
L/W Ratio1.40
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
12.66 mm9.07 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631044
Side View
Table 62.0%Crown 34.8°Girdle: ThickPavilion 39.2°Culet: NoneDepth 60.7%

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: Oct 29
Current: $22,566 AUD|Low: $3,203 AUD|High: $29,340 AUD|Avg: $9,094 AUD|+0.4%
Novita Diamonds
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 15$3,229 AUD
Retailer 10$3,513 AUD
Retailer 12$3,831 AUD
Retailer 9$3,960 AUD
Retailer 16$3,979 AUD
Retailer 5$5,683 AUD
Retailer 11$5,741 AUD
Retailer 6$5,874 AUD
Retailer 14$6,067 AUD
Retailer 2$6,721 AUD
Retailer 8$9,011 AUD
Retailer 7$9,168 AUD
Retailer 4$10,257 AUD
Retailer 17$11,130 AUD
Retailer 13$16,144 AUD
Retailer 3$22,222 AUD
Novita Diamonds$22,566 AUD

36 data points across 17 retailers

17 retailers$3,229 AUD to $22,566 AUD

A
Cheapest Retailer
-
$3,229 AUD
$2,268 USD
A
Retailer 2
-
$3,513 AUD
$2,468 USD
View
A
Retailer 3
-
$3,831 AUD
$2,691 USD
View
A
Retailer 4
-
$3,960 AUD
$2,782 USD
View
Final sale: no returns
A
Retailer 5
-
$3,979 AUD
$2,795 USD
View
A
Retailer 6
-
$5,683 AUD
$3,992 USD
View
A
Retailer 7
-
$5,741 AUD
$4,033 USD
View
A
Retailer 8
-
$5,874 AUD
$4,126 USD
View
A
Retailer 9
-
$6,067 AUD
$4,262 USD
View
A
Retailer 10
-
$6,721 AUD
€4,496 EUR
View
Retailer 11
-
$9,011 AUD
$6,330 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$9,168 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$10,257 AUD
$7,205 USD
View
B+
Retailer 14
-
$11,130 AUD
£6,156 GBP
View
B+
Retailer 15
-
$16,144 AUD
$11,340 USD
View
B
Retailer 16
-
$22,222 AUD
$15,610 USD
View
Most Expensive
B
Novita Diamonds
cert_768631044 · Nov 1
$22,566 AUD
View
16 more retailers have this diamond
Prices start from $3,229 AUDSave up to $19,338 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
4.20ct Oval
$3,229 AUD