Radiant|Lab Grown|IGI

3.75ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG778628132

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

Certificate IGI LG778628132

Diamond specifications and retailer prices

From $8,432 AUD
$5,930 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $8,432 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.75ct lab-grown radiant diamond

This 3.75ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778628132 or 778628132. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.75
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778628132
Dimensions11.38 × 7.70 × 0.00 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.38 mm7.70 mm3.75 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778628132
Side View
Table 66.0%Crown 40.5°Girdle: MediumPavilion 33.4°Culet: NoneDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $8,432 AUD|Low: $910 AUD|High: $14,589 AUD|Avg: $5,500 AUD|-5.1%
Brilliant Earth
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June 13, 2026
Retailer 2$910 AUD
Retailer 5$1,766 AUD
Retailer 12$1,986 AUD
Retailer 14$2,131 AUD
Retailer 13$2,260 AUD
Retailer 4$2,332 AUD
Retailer 17$2,485 AUD
Retailer 3$2,771 AUD
Retailer 11$2,989 AUD
Retailer 8$4,500 AUD
Retailer 10$5,020 AUD
Retailer 6$5,804 AUD
Retailer 7$5,874 AUD
Retailer 18$5,940 AUD
Brilliant Earth$8,432 AUD
Retailer 16$9,754 AUD
Retailer 9$11,183 AUD
Retailer 15$13,694 AUD

33 data points across 18 retailers

1 retailer

B
Brilliant Earth
18429494B · Oct 28
$8,432 AUD
$5,930 USD
View

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
3.75ct Radiant
$8,432 AUD