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Oval|Lab Grown|IGI

3.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584096

Diamond specifications and retailer prices

From $434 USD
As of November 6, 2026
Save $2,606 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,040 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584096 or 678584096. Listed at 18 retailers as of November 6, 2026, with prices from $434 to $3,040, a $2,606 spread on the same certified stone. Brilliant Earth lists it at $3,040. 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

3.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584096
Dimensions11.46 × 8.22 × 5.12 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.46 mm8.22 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584096
Side View
Table 62.0%Crown 36.8°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 62.3%

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: Nov 6
Current: $3,040 USD|Low: $434 USD|High: $3,310 USD|Avg: $1,187 USD|-8.2%
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
Retailer 16
November 6, 2026
Retailer 8$434 USD
Retailer 7$486 USD
Retailer 14$502 USD
Retailer 15$538 USD
Retailer 9$655 USD
Retailer 5$680 USD
Retailer 3$720 USD
Retailer 16$839 USD
Retailer 2$849 USD
Retailer 10$879 USD
Retailer 6$1,023 USD
Retailer 13$1,509 USD
Retailer 4$1,729 USD
Retailer 12$1,900 USD
Retailer 11$1,971 USD
Brilliant Earth$3,040 USD

40 data points across 16 retailers

18 retailers$434 USD to $3,040 USD

A
Cheapest Retailer
-
$434 USD
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$502 USD
View
Final sale: no returns
A
Retailer 4
-
$538 USD
View
Retailer 5
-
$563 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$655 USD
View
A
Retailer 7
-
$680 USD
View
B+
Retailer 8
-
$720 USD
View
A
Retailer 9
-
$839 USD
View
A
Retailer 10
-
$849 USD
View
A
Retailer 11
-
$879 USD
View
B+
Retailer 12
-
$1,023 USD
View
B+
Retailer 13
-
$1,317 USD
View
B+
Retailer 14
-
$1,509 USD
View
B
Retailer 15
-
$1,729 USD
View
B
Retailer 16
-
$1,900 USD
View
B
Retailer 17
-
$1,971 USD
View
Most Expensive
B
Brilliant Earth
17470296A · Nov 6
$3,040 USD
View
17 more retailers have this diamond
Prices start from $434 USDSave up to $2,606 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
3.05ct Oval
$434 USD