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 $1,175 USD
As of October 29, 2026
Save $3,940 USD (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,115 USD 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 $1,175 to $5,115, a $3,940 spread on the same certified stone. Diamonds Direct lists it at $5,115. 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 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

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 29
Current: $5,115 USD|Low: $767 USD|High: $5,115 USD|Avg: $2,594 USD|+22.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$767 USD
Retailer 7$1,175 USD
Retailer 2$1,354 USD
Retailer 3$1,966 USD
Retailer 4$3,475 USD
Retailer 6$4,381 USD
Diamonds Direct$5,115 USD

46 data points across 7 retailers

7 retailers$1,175 USD to $5,115 USD

A
Retailer 1
-
$767 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$1,175 USD
View
A
Retailer 3
-
$1,354 USD
£1,066 GBP
View
B+
Retailer 4
-
$1,966 USD
ZAR 31,756 ZAR
View
B
Retailer 5
-
$3,475 USD
View
B
Retailer 6
-
$4,381 USD
View
Most Expensive
B
Diamonds Direct
1046613 · Oct 29
$5,115 USD
View
6 more retailers have this diamond
Prices start from $1,175 USDSave up to $3,940 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
$1,175 USD