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Radiant|Lab Grown|IGI

3.93ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG782631851

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

Certificate IGI LG782631851

Diamond specifications and retailer prices

From $7,218 AUD
$5,070 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $7,218 AUD at Brilliant Earth
View at Brilliant Earth

About this 3.93ct lab-grown radiant diamond

This 3.93ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782631851 or 782631851. Listed at 2 retailers as of October 31, 2026. 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

3.93
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782631851
Dimensions10.89 × 7.92 × 5.15 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.89 mm7.92 mm3.93 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782631851
Side View
Table 65.0%Crown 45.3°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $7,218 AUD|Low: $557 AUD|High: $7,218 AUD|Avg: $2,827 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
September 18, 2026
Retailer 14$557 AUD
Retailer 2$866 AUD
Retailer 10$1,110 AUD
Retailer 9$1,354 AUD
Retailer 13$1,448 AUD
Retailer 7$1,540 AUD
Retailer 3$2,281 AUD
Retailer 8$2,934 AUD
Retailer 11$3,117 AUD
Retailer 12$3,262 AUD
Retailer 4$3,380 AUD
Retailer 5$4,458 AUD
Retailer 6$6,176 AUD
Brilliant Earth$7,218 AUD

2 data points across 14 retailers

2 retailers

Retailer 1
-
$4,458 AUD
Price last confirmed 120 days ago
Most Expensive
B
Brilliant Earth
18524181A · Oct 31
$7,218 AUD
$5,070 USD
View
1 more retailer has this diamond

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.

B
3.93ct Radiant
$7,218 AUD