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Oval|Lab Grown|IGI

3.99ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG784644621

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784644621

Diamond specifications and retailer prices

From $2,634 AUD
$1,850 USD
As of October 29, 2026
Save $12,044 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,677 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.99ct lab-grown oval diamond

This 3.99ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644621 or 784644621. Listed at 14 retailers as of October 29, 2026, with prices from $2,634 to $14,677, a $12,044 spread on the same certified stone. Do Amore Diamonds lists it at $14,677. 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

3.99
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644621
Dimensions12.62 × 8.98 × 5.43 mm
L/W Ratio1.41
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
12.62 mm8.98 mm3.99 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644621
Side View
Table 58.0%Crown 36.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 60.5%

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: $14,677 AUD|Low: $2,634 AUD|High: $26,650 AUD|Avg: $8,923 AUD|-44.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$2,634 AUD
Retailer 9$2,702 AUD
Retailer 8$3,899 AUD
Retailer 10$4,378 AUD
Retailer 11$4,561 AUD
Retailer 4$4,840 AUD
Retailer 12$6,009 AUD
Retailer 3$6,890 AUD
Retailer 5$7,845 AUD
Retailer 6$9,175 AUD
Retailer 2$13,852 AUD
Do Amore Diamonds$14,677 AUD

31 data points across 12 retailers

14 retailers$2,634 AUD to $14,677 AUD

A
Cheapest Retailer
-
$2,634 AUD
$1,850 USD
A
Retailer 2
-
$2,702 AUD
$1,898 USD
View
Retailer 3
-
$3,437 AUD
$2,414 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$3,895 AUD
$2,736 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$3,899 AUD
$2,739 USD
View
A
Retailer 6
-
$4,378 AUD
$3,075 USD
View
A
Retailer 7
-
$4,561 AUD
€3,051 EUR
View
B+
Retailer 8
-
$6,009 AUD
$4,221 USD
View
Retailer 9
-
$6,299 AUD
$4,425 USD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$6,890 AUD
$4,840 USD
View
B+
Retailer 11
-
$7,845 AUD
£4,339 GBP
View
B+
Retailer 12
-
$9,175 AUD
$6,445 USD
View
B
Retailer 13
-
$13,852 AUD
$9,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-D9B315FDD · Oct 29
$14,677 AUD
$10,310 USD
View
13 more retailers have this diamond
Prices start from $2,634 AUDSave up to $12,044 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
3.99ct Oval
$2,634 AUD