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Oval|Lab Grown|IGI

4.00ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG780661620

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780661620

Diamond specifications and retailer prices

From $2,874 AUD
$2,019 USD
As of October 29, 2026
Save $16,900 AUD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,774 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4ct lab-grown oval diamond

This 4ct 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 LG780661620 or 780661620. Listed at 13 retailers as of October 29, 2026, with prices from $2,874 to $19,774, a $16,900 spread on the same certified stone. Do Amore Diamonds lists it at $19,774. 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

4.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661620
Dimensions12.83 × 8.78 × 5.39 mm
L/W Ratio1.46
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
12.83 mm8.78 mm4.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661620
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.4%

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: $19,774 AUD|Low: $2,874 AUD|High: $37,820 AUD|Avg: $12,904 AUD|-42.7%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 12$2,874 AUD
Retailer 2$3,445 AUD
Retailer 13$3,573 AUD
Retailer 4$4,916 AUD
Retailer 3$5,058 AUD
Retailer 8$5,894 AUD
Retailer 11$5,953 AUD
Retailer 6$7,417 AUD
Retailer 7$7,981 AUD
Retailer 16$9,166 AUD
Retailer 17$9,922 AUD
Retailer 14$10,038 AUD
Retailer 5$10,160 AUD
Retailer 10$13,225 AUD
Retailer 15$15,097 AUD
Do Amore Diamonds$19,774 AUD
Retailer 9$37,820 AUD

16 data points across 17 retailers

13 retailers$2,874 AUD to $19,774 AUD

A
Cheapest Retailer
-
$2,874 AUD
$2,019 USD
A
Retailer 2
-
$3,445 AUD
$2,420 USD
View
A
Retailer 3
-
$3,573 AUD
$2,510 USD
View
A
Retailer 4
-
$4,916 AUD
$3,453 USD
View
A
Retailer 5
-
$5,058 AUD
$3,553 USD
View
A
Retailer 6
-
$5,953 AUD
$4,182 USD
View
Retailer 7
-
$7,981 AUD
$5,606 USD
View
Price last confirmed 36 days ago
B+
Retailer 8
-
$9,166 AUD
$6,439 USD
View
B+
Retailer 9
-
$9,922 AUD
$6,970 USD
View
B+
Retailer 10
-
$10,038 AUD
£5,552 GBP
View
B+
Retailer 11
-
$13,225 AUD
$9,290 USD
View
B+
Retailer 12
-
$15,097 AUD
$10,605 USD
View
Most Expensive
B
Do Amore Diamonds
27-B973D752A · Oct 29
$19,774 AUD
$13,890 USD
View
12 more retailers have this diamond
Prices start from $2,874 AUDSave up to $16,900 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
4.00ct Oval
$2,874 AUD