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Radiant|Lab Grown|IGI

3.75ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG816633222

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

Certificate IGI LG816633222

Diamond specifications and retailer prices

From $1,671 AUD
$1,175 USD
As of October 29, 2026
Save $5,602 AUD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,273 AUD at Diamonds Direct · As of October 29, 2026
View at Diamonds Direct

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 LG816633222 or 816633222. Listed at 7 retailers as of October 29, 2026, with prices from $1,671 to $7,273, a $5,602 spread on the same certified stone. Diamonds Direct lists it at $7,273. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816633222
Dimensions10.32 × 7.80 × 5.29 mm
L/W Ratio1.32
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm7.80 mm3.75 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816633222
Side View
Table 65.0%Crown 45.8°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $7,273 AUD|Low: $1,091 AUD|High: $7,273 AUD|Avg: $3,688 AUD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$1,091 AUD
Retailer 7$1,671 AUD
Retailer 3$1,920 AUD
Retailer 2$2,795 AUD
Retailer 4$4,941 AUD
Retailer 6$6,229 AUD
Diamonds Direct$7,273 AUD

46 data points across 7 retailers

7 retailers$1,671 AUD to $7,273 AUD

A
Retailer 1
-
$1,091 AUD
$767 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$1,671 AUD
$1,175 USD
View
A
Retailer 3
-
$1,920 AUD
£1,063 GBP
View
B+
Retailer 4
-
$2,795 AUD
ZAR 31,756 ZAR
View
B
Retailer 5
-
$4,941 AUD
$3,475 USD
View
B
Retailer 6
-
$6,229 AUD
$4,381 USD
View
Most Expensive
B
Diamonds Direct
1046613 · Oct 29
$7,273 AUD
$5,115 USD
View
6 more retailers have this diamond
Prices start from $1,671 AUDSave up to $5,602 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
3.75ct Radiant
$1,671 AUD