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Oval|Lab Grown|IGI

1.00ct I VS1 Oval Lab Grown Diamond

ID • I/VS1 • IGI LG781620797

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781620797

Diamond specifications and retailer prices

From $284 USD
As of November 3, 2026
Save $365 USD (56%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $649 USD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781620797 or 781620797. Listed at 3 retailers as of November 3, 2026, with prices from $284 to $649, a $365 spread on the same certified stone. Taylor and Hart lists it at $649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781620797
Dimensions7.89 × 5.73 × 3.36 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm5.73 mm1.00 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG781620797
Side View
Table 60.0%Crown 32.8°Girdle: MED-THKPavilion 37.7°Culet: NoneDepth 58.6%

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 3
Current: $339 USD|Low: $284 USD|High: $872 USD|Avg: $501 USD|+8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
November 4, 2026
Retailer 4$284 USD
Retailer 2$313 USD
Retailer 1$339 USD
Taylor and Hart$649 USD
Retailer 3$872 USD

5 data points across 5 retailers

3 retailers$284 USD to $649 USD

A
Cheapest Retailer
-
$284 USD
A
Retailer 2
-
$339 USD
View
Most Expensive
B
Taylor and Hart
T5LWGGJ · Nov 4
$649 USD
View
2 more retailers have this diamond
Prices start from $284 USDSave up to $365 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
1.00ct Oval
$284 USD