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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 $3,582 NZD
$2,019 USD
As of October 29, 2026
Save $21,063 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,645 NZD 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 $3,582 to $24,645, a $21,063 spread on the same certified stone. Do Amore Diamonds lists it at $24,645. 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: $24,645 NZD|Low: $3,582 NZD|High: $47,137 NZD|Avg: $15,815 NZD|-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 31, 2026
Retailer 13$3,582 NZD
Retailer 10$4,294 NZD
Retailer 14$4,453 NZD
Retailer 5$6,127 NZD
Retailer 4$6,304 NZD
Retailer 2$6,664 NZD
Retailer 8$7,346 NZD
Retailer 12$7,420 NZD
Retailer 7$9,244 NZD
Retailer 17$11,424 NZD
Retailer 3$12,367 NZD
Retailer 15$12,511 NZD
Retailer 6$12,663 NZD
Retailer 11$16,483 NZD
Retailer 16$18,816 NZD
Do Amore Diamonds$24,645 NZD
Retailer 9$47,137 NZD

17 data points across 17 retailers

13 retailers$3,582 NZD to $24,645 NZD

A
Cheapest Retailer
-
$3,582 NZD
$2,019 USD
A
Retailer 2
-
$4,294 NZD
$2,420 USD
View
A
Retailer 3
-
$4,453 NZD
$2,510 USD
View
A
Retailer 4
-
$6,127 NZD
$3,453 USD
View
A
Retailer 5
-
$6,304 NZD
$3,553 USD
View
A
Retailer 6
-
$6,664 NZD
$3,756 USD
View
A
Retailer 7
-
$7,420 NZD
$4,182 USD
View
B+
Retailer 8
-
$11,424 NZD
$6,439 USD
View
B+
Retailer 9
-
$12,367 NZD
$6,970 USD
View
B+
Retailer 10
-
$12,511 NZD
£5,552 GBP
View
B+
Retailer 11
-
$16,483 NZD
$9,290 USD
View
B+
Retailer 12
-
$18,816 NZD
$10,605 USD
View
Most Expensive
B
Do Amore Diamonds
27-B973D752A · Oct 29
$24,645 NZD
$13,890 USD
View
12 more retailers have this diamond
Prices start from $3,582 NZDSave up to $21,063 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
4.00ct Oval
$3,582 NZD