Oval|Lab Grown|IGI

12.21ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG836607567

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836607567

Diamond specifications and retailer prices

From $1,661 USD
As of October 31, 2026
Save $7,149 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,810 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.21ct lab-grown oval diamond

This 12.21ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836607567 or 836607567. Listed at 3 retailers as of October 30, 2026, with prices from $1,661 to $8,810, a $7,149 spread on the same certified stone. Brilliant Earth lists it at $8,810. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.21
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836607567
Dimensions18.89 × 12.91 × 7.85 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
18.89 mm12.91 mm12.21 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836607567
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $8,810 USD|Low: $1,661 USD|High: $9,090 USD|Avg: $5,389 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$1,661 USD
Retailer 2$2,464 USD
Brilliant Earth$8,810 USD

38 data points across 3 retailers

3 retailers$1,661 USD to $8,810 USD

A
Cheapest Retailer
-
$1,661 USD
Final sale: no returns
A
Retailer 2
-
$2,464 USD
£1,940 GBP
View
Most Expensive
B
Brilliant Earth
21363872A · Oct 30
$8,810 USD
View
2 more retailers have this diamond
Prices start from $1,661 USDSave up to $7,149 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
12.21ct Oval
$1,661 USD