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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 $3,189 SGD
$2,488 USD
As of October 29, 2026
Save $17,600 SGD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,789 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 $3,189 to $20,789, a $17,600 spread on the same certified stone. Brilliant Earth lists it at $20,789. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,789 SGD|Low: $3,179 SGD|High: $31,953 SGD|Avg: $9,503 SGD|-14.5%
Brilliant Earth
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 29, 2026
Retailer 10$3,189 SGD
Retailer 7$3,300 SGD
Retailer 4$4,224 SGD
Retailer 6$4,788 SGD
Retailer 9$4,833 SGD
Retailer 12$4,956 SGD
Retailer 14$5,666 SGD
Retailer 13$5,724 SGD
Retailer 5$7,042 SGD
Retailer 3$9,081 SGD
Retailer 2$9,306 SGD
Retailer 8$14,000 SGD
Retailer 11$18,328 SGD
Brilliant Earth$20,789 SGD

33 data points across 14 retailers

14 retailers$3,189 SGD to $20,789 SGD

A
Cheapest Retailer
-
$3,189 SGD
$2,488 USD
A
Retailer 2
-
$3,300 SGD
$2,575 USD
View
Retailer 3
-
$4,224 SGD
$3,296 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$4,788 SGD
$3,736 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$4,833 SGD
$3,771 USD
View
A
Retailer 6
-
$4,956 SGD
$3,867 USD
View
A
Retailer 7
-
$5,666 SGD
$4,421 USD
View
A
Retailer 8
-
$5,724 SGD
€4,253 EUR
View
Retailer 9
-
$7,042 SGD
$5,494 USD
View
Price last confirmed 29 days ago
Retailer 10
-
$9,081 SGD
$7,085 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$9,306 SGD
£5,717 GBP
View
B
Retailer 12
-
$14,000 SGD
$10,923 USD
View
B
Retailer 13
-
$18,328 SGD
$14,300 USD
View
Most Expensive
B
Brilliant Earth
21060298Y · Oct 29
$20,789 SGD
$16,220 USD
View
13 more retailers have this diamond
Prices start from $3,189 SGDSave up to $17,600 SGD

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
$3,189 SGD