Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584112

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584112

Diamond specifications and retailer prices

From $421 USD
As of November 6, 2026
Save $3,979 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,400 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584112 or 678584112. Listed at 16 retailers as of November 6, 2026, with prices from $421 to $4,400, a $3,979 spread on the same certified stone. Brilliant Earth lists it at $4,400. 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

3.03
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584112
Dimensions11.60 × 8.26 × 5.19 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm8.26 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584112
Side View
Table 60.0%Crown 31°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 62.8%

Caratlytics Score

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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: Nov 6
Current: $4,400 USD|Low: $421 USD|High: $4,400 USD|Avg: $1,180 USD
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
Retailer 15
November 6, 2026
Retailer 7$421 USD
Retailer 6$472 USD
Retailer 12$487 USD
Retailer 13$522 USD
Retailer 4$670 USD
Retailer 15$702 USD
Retailer 14$824 USD
Retailer 8$852 USD
Retailer 2$873 USD
Retailer 5$1,031 USD
Retailer 11$1,267 USD
Retailer 3$1,680 USD
Retailer 10$1,860 USD
Retailer 9$1,913 USD
Brilliant Earth$4,400 USD

46 data points across 15 retailers

16 retailers$421 USD to $4,400 USD

A
Cheapest Retailer
-
$421 USD
A
Retailer 2
-
$472 USD
View
A
Retailer 3
-
$487 USD
View
Final sale: no returns
A
Retailer 4
-
$522 USD
View
Retailer 5
-
$545 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$670 USD
View
B+
Retailer 7
-
$702 USD
View
A
Retailer 8
-
$824 USD
View
A
Retailer 9
-
$852 USD
View
A
Retailer 10
-
$873 USD
View
A
Retailer 11
-
$1,031 USD
View
B+
Retailer 12
-
$1,267 USD
View
B+
Retailer 13
-
$1,680 USD
View
B+
Retailer 14
-
$1,860 USD
View
B+
Retailer 15
-
$1,913 USD
View
Most Expensive
B
Brilliant Earth
17470454A · Nov 6
$4,400 USD
View
15 more retailers have this diamond
Prices start from $421 USDSave up to $3,979 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
3.03ct Oval
$421 USD