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Oval|Lab Grown|IGI

1.21ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG613378018

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG613378018

Diamond specifications and retailer prices

From $417 USD
As of November 1, 2026
Save $823 USD (66%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,240 USD at Jared · As of October 30, 2026
View at Jared

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG613378018 or 613378018. Listed at 4 retailers as of October 30, 2026, with prices from $417 to $1,240, a $823 spread on the same certified stone. Jared lists it at $1,240. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613378018
Dimensions8.69 × 6.00 × 3.74 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.69 mm6.00 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613378018
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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 1
Current: $1,240 USD|Low: $390 USD|High: $1,620 USD|Avg: $768 USD|-23.5%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$417 USD
Retailer 7$446 USD
Retailer 5$458 USD
Retailer 8$532 USD
Retailer 9$761 USD
Retailer 6$940 USD
Retailer 4$969 USD
Retailer 2$1,062 USD
Jared$1,240 USD

12 data points across 9 retailers

4 retailers$417 USD to $1,240 USD

A
Cheapest Retailer
-
$417 USD
B
Retailer 2
-
$940 USD
View
B
Retailer 3
-
$1,062 USD
£836 GBP
View
Most Expensive
B
Jared
149884440 · Oct 30
$1,240 USD
View
3 more retailers have this diamond
Prices start from $417 USDSave up to $823 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
1.21ct Oval
$417 USD