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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 $2,268 USD
As of October 29, 2026
Save $13,584 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,852 USD 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 $2,268 to $15,852, a $13,584 spread on the same certified stone. Novita Diamonds lists it at $15,852. 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
Color
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

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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: $15,852 USD|Low: $2,250 USD|High: $20,610 USD|Avg: $6,388 USD|+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$2,268 USD
Retailer 10$2,468 USD
Retailer 12$2,691 USD
Retailer 9$2,782 USD
Retailer 16$2,795 USD
Retailer 5$3,992 USD
Retailer 11$4,033 USD
Retailer 6$4,126 USD
Retailer 14$4,262 USD
Retailer 2$4,721 USD
Retailer 8$6,330 USD
Retailer 7$6,440 USD
Retailer 4$7,205 USD
Retailer 17$7,818 USD
Retailer 13$11,340 USD
Retailer 3$15,610 USD
Novita Diamonds$15,852 USD

36 data points across 17 retailers

17 retailers$2,268 USD to $15,852 USD

A
Cheapest Retailer
-
$2,268 USD
A
Retailer 2
-
$2,468 USD
View
A
Retailer 3
-
$2,691 USD
View
A
Retailer 4
-
$2,782 USD
View
Final sale: no returns
A
Retailer 5
-
$2,795 USD
View
A
Retailer 6
-
$3,992 USD
View
A
Retailer 7
-
$4,033 USD
View
A
Retailer 8
-
$4,126 USD
View
A
Retailer 9
-
$4,262 USD
View
A
Retailer 10
-
$4,721 USD
€4,496 EUR
View
Retailer 11
-
$6,330 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$6,440 USD
A$9,908 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$7,205 USD
View
B+
Retailer 14
-
$7,818 USD
£6,156 GBP
View
B+
Retailer 15
-
$11,340 USD
View
B
Retailer 16
-
$15,610 USD
View
Most Expensive
B
Novita Diamonds
cert_768631044 · Nov 1
$15,852 USD
A$24,387 AUD
View
16 more retailers have this diamond
Prices start from $2,268 USDSave up to $13,584 USD

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
$2,268 USD