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Radiant|Lab Grown|IGI

4.78ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG843694655

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843694655

Diamond specifications and retailer prices

From $851 AUD
$598 USD
As of October 31, 2026
Save $3,562 AUD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,413 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.78ct lab-grown radiant diamond

This 4.78ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843694655 or 843694655. Listed at 3 retailers as of October 28, 2026, with prices from $851 to $4,413, a $3,562 spread on the same certified stone. Rare Carat lists it at $4,413. 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

4.78
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle55.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843694655
Dimensions11.79 × 8.40 × 5.65 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.79 mm8.40 mm4.78 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843694655
Side View
Table 65.0%Crown 55.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,413 AUD|Low: $851 AUD|High: $4,413 AUD|Avg: $1,676 AUD
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$851 AUD
Retailer 2$1,524 AUD
Rare Carat$4,413 AUD

20 data points across 3 retailers

3 retailers$851 AUD to $4,413 AUD

A
Cheapest Retailer
-
$851 AUD
$598 USD
Final sale: no returns
A
Retailer 2
-
$1,524 AUD
£843 GBP
View
Most Expensive
B
Rare Carat
843694655 · Oct 28
$4,413 AUD
$3,100 USD
View
2 more retailers have this diamond
Prices start from $851 AUDSave up to $3,562 AUD

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
4.78ct Radiant
$851 AUD