Round|Lab Grown|IGI

4.89ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG821604554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821604554

Diamond specifications and retailer prices

From $634 USD
As of October 29, 2026
Save $501 USD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,895 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4.89ct lab-grown round diamond

This 4.89ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821604554 or 821604554. Listed at 3 retailers as of October 29, 2026, with a 79% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.89
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821604554
Dimensions10.90 × 10.99 × 6.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm10.99 mm4.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821604554
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,895 USD|Low: $634 USD|High: $3,960 USD|Avg: $1,716 USD|-1.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$634 USD
Retailer 4$1,110 USD
Retailer 2$1,135 USD
Rare Carat$3,895 USD

36 data points across 4 retailers

3 retailers$634 USD to $1,135 USD

A
Cheapest Retailer
-
$634 USD
Final sale: no returns
A
Retailer 2
-
$1,135 USD
£894 GBP
View
Most Expensive
Rare Carat
821604554 · Oct 18
$3,895 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from $634 USDSave up to $501 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
4.89ct Round
$634 USD