Oval|Lab Grown|IGI

3.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584129

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584129

Diamond specifications and retailer prices

From $438 USD
As of November 6, 2026
Save $2,622 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,060 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.08ct lab-grown oval diamond

This 3.08ct 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 LG678584129 or 678584129. Listed at 17 retailers as of November 6, 2026, with prices from $438 to $3,060, a $2,622 spread on the same certified stone. Brilliant Earth lists it at $3,060. 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

3.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584129
Dimensions11.89 × 8.24 × 4.97 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm8.24 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584129
Side View
Table 63.0%Crown 33.8°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.3%

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: $3,060 USD|Low: $438 USD|High: $3,340 USD|Avg: $1,144 USD|-8.4%
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$438 USD
Retailer 5$490 USD
Retailer 6$507 USD
Retailer 12$543 USD
Retailer 3$685 USD
Retailer 14$728 USD
Retailer 13$844 USD
Retailer 8$882 USD
Retailer 2$906 USD
Retailer 4$1,042 USD
Retailer 10$1,459 USD
Retailer 15$1,745 USD
Retailer 9$1,920 USD
Retailer 11$1,993 USD
Brilliant Earth$3,060 USD

46 data points across 15 retailers

17 retailers$438 USD to $3,060 USD

A
Cheapest Retailer
-
$438 USD
A
Retailer 2
-
$490 USD
View
A
Retailer 3
-
$507 USD
View
Final sale: no returns
A
Retailer 4
-
$543 USD
View
Retailer 5
-
$568 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$685 USD
View
B+
Retailer 7
-
$728 USD
View
A
Retailer 8
-
$844 USD
View
A
Retailer 9
-
$882 USD
View
A
Retailer 10
-
$906 USD
View
A
Retailer 11
-
$1,042 USD
View
B+
Retailer 12
-
$1,330 USD
View
B+
Retailer 13
-
$1,459 USD
View
B+
Retailer 14
-
$1,745 USD
View
B
Retailer 15
-
$1,920 USD
View
B
Retailer 16
-
$1,993 USD
View
Most Expensive
B
Brilliant Earth
17470518A · Nov 6
$3,060 USD
View
16 more retailers have this diamond
Prices start from $438 USDSave up to $2,622 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
3.08ct Oval
$438 USD