Oval|Lab Grown|IGI

1.78ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG811636401

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811636401

Diamond specifications and retailer prices

From $1,720 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $1,720 USD at Brilliant Earth
View at Brilliant Earth

About this 1.78ct lab-grown oval diamond

This 1.78ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811636401 or 811636401. Listed at 2 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811636401
Dimensions10.08 × 6.59 × 4.10 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.08 mm6.59 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811636401
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,720 USD|Low: $430 USD|High: $1,720 USD|Avg: $885 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 4, 2026
Retailer 9$430 USD
Retailer 3$504 USD
Retailer 5$682 USD
Retailer 4$752 USD
Retailer 8$999 USD
Retailer 2$1,179 USD
Retailer 7$1,189 USD
Retailer 6$1,313 USD
Brilliant Earth$1,720 USD

9 data points across 9 retailers

2 retailers

Retailer 1
-
$1,313 USD
Price last confirmed 97 days ago
Most Expensive
B
Brilliant Earth
20662607A · Oct 31
$1,720 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
1.78ct Oval
$1,720 USD