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Radiant|Lab Grown|IGI

3.75ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG816621157

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

Certificate IGI LG816621157

Diamond specifications and retailer prices

From $1,073 AUD
$754 USD
As of October 27, 2026
Save $8,108 AUD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,181 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG816621157 or 816621157. Listed at 12 retailers as of October 27, 2026, with prices from $1,073 to $9,181, a $8,108 spread on the same certified stone. Do Amore Diamonds lists it at $9,181. 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 angle39.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816621157
Dimensions11.29 × 7.55 × 5.17 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.29 mm7.55 mm3.75 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816621157
Side View
Table 66.0%Crown 39.8°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $9,181 AUD|Low: $1,073 AUD|High: $9,523 AUD|Avg: $3,643 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$1,073 AUD
Retailer 3$1,685 AUD
Retailer 4$2,014 AUD
Retailer 9$2,014 AUD
Retailer 10$2,142 AUD
Retailer 7$2,959 AUD
Retailer 5$3,099 AUD
Retailer 6$5,003 AUD
Retailer 2$5,175 AUD
Do Amore Diamonds$9,181 AUD

26 data points across 10 retailers

12 retailers$1,073 AUD to $9,181 AUD

A
Cheapest Retailer
-
$1,073 AUD
$754 USD
A
Retailer 2
-
$1,167 AUD
$820 USD
View
A
Retailer 3
-
$1,685 AUD
£932 GBP
View
A
Retailer 4
-
$2,014 AUD
$1,415 USD
View
A
Retailer 5
-
$2,014 AUD
$1,415 USD
View
A
Retailer 6
-
$2,142 AUD
$1,505 USD
View
B+
Retailer 7
-
$2,959 AUD
$2,079 USD
View
B+
Retailer 8
-
$3,099 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$3,862 AUD
$2,713 USD
View
B
Retailer 10
-
$5,003 AUD
$3,515 USD
View
B
Retailer 11
-
$5,175 AUD
£2,863 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786069 · Oct 29
$9,181 AUD
$6,450 USD
View
11 more retailers have this diamond
Prices start from $1,073 AUDSave up to $8,108 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
$1,073 AUD