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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 £563 GBP
$754 USD
As of October 30, 2026
Save £4,251 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,814 GBP 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 29, 2026, with prices from £563 to £4,814, a £4,251 spread on the same certified stone. Do Amore Diamonds lists it at £4,814. 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 30
Current: £4,814 GBP|Low: £563 GBP|High: £4,993 GBP|Avg: £1,905 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8£563 GBP
Retailer 2£881 GBP
Retailer 4£1,056 GBP
Retailer 9£1,056 GBP
Retailer 10£1,123 GBP
Retailer 7£1,552 GBP
Retailer 5£1,625 GBP
Retailer 6£2,623 GBP
Retailer 3£2,714 GBP
Do Amore Diamonds£4,814 GBP

27 data points across 10 retailers

12 retailers£563 GBP to £4,814 GBP

A
Cheapest Retailer
-
£563 GBP
$754 USD
A
Retailer 2
-
£612 GBP
$820 USD
View
A
Retailer 3
-
£881 GBP
View
A
Retailer 4
-
£1,056 GBP
$1,415 USD
View
A
Retailer 5
-
£1,056 GBP
$1,415 USD
View
A
Retailer 6
-
£1,123 GBP
$1,505 USD
View
B+
Retailer 7
-
£1,552 GBP
$2,079 USD
View
Retailer 8
-
£1,625 GBP
A$3,349 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,025 GBP
$2,713 USD
View
B
Retailer 10
-
£2,623 GBP
$3,515 USD
View
B
Retailer 11
-
£2,714 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1786069 · Oct 29
£4,814 GBP
$6,450 USD
View
11 more retailers have this diamond
Prices start from £563 GBPSave up to £4,251 GBP

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
£563 GBP