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 $754 USD
As of October 27, 2026
Save $5,696 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,450 USD 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 $754 to $6,450, a $5,696 spread on the same certified stone. Do Amore Diamonds lists it at $6,450. 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
Color
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: $6,450 USD|Low: $754 USD|High: $6,690 USD|Avg: $2,560 USD
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$754 USD
Retailer 3$1,183 USD
Retailer 4$1,415 USD
Retailer 9$1,415 USD
Retailer 10$1,505 USD
Retailer 7$2,079 USD
Retailer 5$2,177 USD
Retailer 6$3,515 USD
Retailer 2$3,636 USD
Do Amore Diamonds$6,450 USD

26 data points across 10 retailers

12 retailers$754 USD to $6,450 USD

A
Cheapest Retailer
-
$754 USD
A
Retailer 2
-
$820 USD
View
A
Retailer 3
-
$1,183 USD
£932 GBP
View
A
Retailer 4
-
$1,415 USD
View
A
Retailer 5
-
$1,415 USD
View
A
Retailer 6
-
$1,505 USD
View
B+
Retailer 7
-
$2,079 USD
View
B+
Retailer 8
-
$2,177 USD
A$3,349 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,713 USD
View
B
Retailer 10
-
$3,515 USD
View
B
Retailer 11
-
$3,636 USD
£2,863 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786069 · Oct 29
$6,450 USD
View
11 more retailers have this diamond
Prices start from $754 USDSave up to $5,696 USD

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
$754 USD