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Oval|Lab Grown|IGI

0.78ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG653445225

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG653445225

Diamond specifications and retailer prices

From $710 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $710 USD at Brilliant Earth
View at Brilliant Earth

About this 0.78ct lab-grown oval diamond

This 0.78ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653445225 or 653445225. Listed at 2 retailers as of October 29, 2026. 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

0.78
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653445225
Dimensions7.44 × 5.24 × 3.25 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm5.24 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653445225
Side View
Table 63.0%Crown 35.6°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $710 USD|Low: $248 USD|High: $710 USD|Avg: $505 USD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$248 USD
Brilliant Earth$710 USD

5 data points across 2 retailers

2 retailers

Retailer 1
-
$248 USD
Most Expensive
B
Brilliant Earth
12032820A · Oct 29
$710 USD
View
1 more retailer has this diamond

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.

B
0.78ct Oval
$710 USD