CaratHunter
Plans
Oval|Lab Grown|IGI

4.12ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG811635518

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811635518

Diamond specifications and retailer prices

From $4,414 NZD
$2,488 USD
As of October 29, 2026
Save $20,958 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,372 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown oval diamond

This 4.12ct 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 LG811635518 or 811635518. Listed at 14 retailers as of October 29, 2026, with prices from $4,414 to $25,372, a $20,958 spread on the same certified stone. Do Amore Diamonds lists it at $25,372. 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

4.12
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635518
Dimensions13.03 × 9.10 × 5.48 mm
L/W Ratio1.43
Girdle conditionFaceted
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
13.03 mm9.10 mm4.12 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635518
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

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: $25,372 NZD|Low: $4,400 NZD|High: $44,233 NZD|Avg: $13,074 NZD|-42.6%
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
October 30, 2026
Retailer 11$4,414 NZD
Retailer 8$4,569 NZD
Retailer 4$5,848 NZD
Retailer 6$6,629 NZD
Retailer 10$6,691 NZD
Retailer 12$6,861 NZD
Retailer 14$7,844 NZD
Retailer 13$7,923 NZD
Retailer 5$9,748 NZD
Retailer 3$12,571 NZD
Retailer 7$12,882 NZD
Retailer 2$16,980 NZD
Retailer 9$19,381 NZD
Do Amore Diamonds$25,372 NZD

34 data points across 14 retailers

14 retailers$4,414 NZD to $25,372 NZD

A
Cheapest Retailer
-
$4,414 NZD
$2,488 USD
A
Retailer 2
-
$4,569 NZD
$2,575 USD
View
Retailer 3
-
$5,848 NZD
$3,296 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$6,629 NZD
$3,736 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$6,691 NZD
$3,771 USD
View
A
Retailer 6
-
$6,861 NZD
$3,867 USD
View
A
Retailer 7
-
$7,844 NZD
$4,421 USD
View
A
Retailer 8
-
$7,923 NZD
€4,253 EUR
View
Retailer 9
-
$9,748 NZD
$5,494 USD
View
Price last confirmed 30 days ago
Retailer 10
-
$12,571 NZD
$7,085 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$12,882 NZD
£5,717 GBP
View
B+
Retailer 12
-
$16,980 NZD
$9,570 USD
View
B
Retailer 13
-
$19,381 NZD
$10,923 USD
View
Most Expensive
B
Do Amore Diamonds
27-52F7D2554 · Oct 29
$25,372 NZD
$14,300 USD
View
13 more retailers have this diamond
Prices start from $4,414 NZDSave up to $20,958 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
4.12ct Oval
$4,414 NZD