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Oval|Lab Grown|IGI

3.08ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG818627651

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818627651

Diamond specifications and retailer prices

From $605 AUD
As of November 6, 2026
Save $3,455 AUD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,061 AUD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818627651 or 818627651. Listed at 3 retailers as of November 6, 2026, with prices from $605 to $4,061, a $3,455 spread on the same certified stone. Brilliant Earth lists it at $4,061. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818627651
Dimensions11.98 × 8.20 × 4.99 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm8.20 mm3.08 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818627651
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,061 AUD|Low: $605 AUD|High: $4,061 AUD|Avg: $1,732 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$605 AUD
Retailer 4$1,020 AUD
Retailer 2$1,247 AUD
Brilliant Earth$4,061 AUD

40 data points across 4 retailers

3 retailers$605 AUD to $4,061 AUD

A
Cheapest Retailer
-
$605 AUD
Final sale: no returns
A
Retailer 2
-
$1,247 AUD
View
Most Expensive
B
Brilliant Earth
21228406A · Nov 6
$4,061 AUD
$2,790 USD
View
2 more retailers have this diamond
Prices start from $605 AUDSave up to $3,455 AUD

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
$605 AUD