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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584091

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584091

Diamond specifications and retailer prices

From $427 USD
As of November 6, 2026
Save $3,973 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 LG678584091 or 678584091. Listed at 16 retailers as of November 6, 2026, with prices from $427 to $4,400, a $3,973 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 angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584091
Dimensions11.72 × 8.04 × 4.97 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.04 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584091
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

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: $427 USD|High: $4,540 USD|Avg: $1,441 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$427 USD
Retailer 4$644 USD
Retailer 2$774 USD
Retailer 11$833 USD
Retailer 8$835 USD
Retailer 5$863 USD
Retailer 3$1,033 USD
Retailer 9$1,484 USD
Retailer 7$1,840 USD
Retailer 6$1,938 USD
Brilliant Earth$4,400 USD

40 data points across 11 retailers

16 retailers$427 USD to $4,400 USD

Retailer 1
-
$427 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$427 USD
View
Retailer 3
-
$427 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$478 USD
View
Price last confirmed 41 days ago
Retailer 5
-
$522 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$644 USD
View
A
Retailer 7
-
$774 USD
View
B+
Retailer 8
-
$833 USD
View
A
Retailer 9
-
$835 USD
View
A
Retailer 10
-
$863 USD
View
A
Retailer 11
-
$1,033 USD
View
B+
Retailer 12
-
$1,484 USD
View
Retailer 13
-
$1,700 USD
View
Price last confirmed 37 days ago
B+
Retailer 14
-
$1,840 USD
View
B+
Retailer 15
-
$1,938 USD
View
Most Expensive
B
Brilliant Earth
21567551A · Nov 6
$4,400 USD
View
15 more retailers have this diamond
Prices start from $427 USDSave up to $3,973 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
$427 USD