Oval|Lab Grown|IGI

4.12ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG584379811

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG584379811

Diamond specifications and retailer prices

From $866 USD
As of October 30, 2026
Save $1,934 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,815 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.12ct lab-grown oval diamond

This 4.12ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG584379811 or 584379811. Listed at 14 retailers as of October 30, 2026, with a 223% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.12
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG584379811
Dimensions12.48 × 9.10 × 5.85 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Top View
12.48 mm9.10 mm4.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG584379811
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 64.3%

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 30
Current: $2,815 USD|Low: $498 USD|High: $5,480 USD|Avg: $1,450 USD|+4.1%
Rare Carat
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 3$498 USD
Retailer 12$551 USD
Retailer 11$866 USD
Retailer 7$870 USD
Retailer 5$912 USD
Retailer 9$912 USD
Retailer 10$969 USD
Retailer 4$1,391 USD
Retailer 8$1,482 USD
Retailer 6$2,036 USD
Retailer 2$2,800 USD
Rare Carat$2,815 USD

33 data points across 12 retailers

14 retailers$866 USD to $2,800 USD

Retailer 1
-
$445 USD
Price last confirmed 37 days ago
Retailer 2
-
$498 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$544 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$551 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$866 USD
View
B+
Retailer 6
-
$870 USD
View
A
Retailer 7
-
$912 USD
£718 GBP
View
A
Retailer 8
-
$969 USD
View
B+
Retailer 9
-
$1,391 USD
View
B+
Retailer 10
-
$1,482 USD
View
Retailer 11
-
$1,773 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$2,036 USD
£1,603 GBP
View
B
Retailer 13
-
$2,800 USD
View
Most Expensive
Rare Carat
402086 · Oct 21
$2,815 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $866 USDSave up to $1,934 USD

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
$866 USD