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 $3,282 NZD
$1,850 USD
As of October 29, 2026
Save $15,011 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,293 NZD 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 $3,282 to $18,293, a $15,011 spread on the same certified stone. Do Amore Diamonds lists it at $18,293. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $18,293 NZD|Low: $3,282 NZD|High: $33,215 NZD|Avg: $11,121 NZD|-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$3,282 NZD
Retailer 9$3,368 NZD
Retailer 8$4,860 NZD
Retailer 10$5,456 NZD
Retailer 11$5,684 NZD
Retailer 4$6,033 NZD
Retailer 12$7,489 NZD
Retailer 3$8,587 NZD
Retailer 5$9,777 NZD
Retailer 6$11,435 NZD
Retailer 2$17,264 NZD
Do Amore Diamonds$18,293 NZD

31 data points across 12 retailers

14 retailers$3,282 NZD to $18,293 NZD

A
Cheapest Retailer
-
$3,282 NZD
$1,850 USD
A
Retailer 2
-
$3,368 NZD
$1,898 USD
View
Retailer 3
-
$4,283 NZD
$2,414 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$4,854 NZD
$2,736 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$4,860 NZD
$2,739 USD
View
A
Retailer 6
-
$5,456 NZD
$3,075 USD
View
A
Retailer 7
-
$5,684 NZD
€3,051 EUR
View
B+
Retailer 8
-
$7,489 NZD
$4,221 USD
View
Retailer 9
-
$7,851 NZD
$4,425 USD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
$8,587 NZD
$4,840 USD
View
B+
Retailer 11
-
$9,777 NZD
£4,339 GBP
View
B+
Retailer 12
-
$11,435 NZD
$6,445 USD
View
B
Retailer 13
-
$17,264 NZD
$9,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-D9B315FDD · Oct 29
$18,293 NZD
$10,310 USD
View
13 more retailers have this diamond
Prices start from $3,282 NZDSave up to $15,011 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
3.99ct Oval
$3,282 NZD