Radiant|Lab Grown|IGI

3.77ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG847661611

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

Certificate IGI LG847661611

Diamond specifications and retailer prices

From £490 GBP
$656 USD
As of October 24, 2026
Save £2,899 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,388 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.77ct lab-grown radiant diamond

This 3.77ct 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 LG847661611 or 847661611. Listed at 16 retailers as of October 24, 2026, with prices from £490 to £3,388, a £2,899 spread on the same certified stone. Brilliant Earth lists it at £3,388. 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

3.77
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661611
Dimensions10.62 × 7.81 × 5.17 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.62 mm7.81 mm3.77 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661611
Side View
Table 63.0%Crown 41.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 66.2%

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 24
Current: £1,632 GBP|Low: £489 GBP|High: £2,623 GBP|Avg: £1,316 GBP|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 7£489 GBP
Retailer 5£490 GBP
Retailer 9£564 GBP
Retailer 14£638 GBP
Retailer 3£767 GBP
Retailer 13£837 GBP
Retailer 8£1,166 GBP
Retailer 4£1,340 GBP
Retailer 12£1,345 GBP
Retailer 1£1,632 GBP
Retailer 2£1,730 GBP
Retailer 6£1,755 GBP
Retailer 16£1,809 GBP
Retailer 10£2,267 GBP
Retailer 15£2,356 GBP
Retailer 11£2,623 GBP

5 data points across 16 retailers

16 retailers£490 GBP to £3,388 GBP

A
Cheapest Retailer
-
£490 GBP
$656 USD
A
Retailer 2
-
£564 GBP
HK$5,900 HKD
View
A
Retailer 3
-
£638 GBP
$855 USD
View
A
Retailer 4
-
£767 GBP
$1,028 USD
View
A
Retailer 5
-
£837 GBP
View
A
Retailer 6
-
£1,166 GBP
ZAR 25,244 ZAR
View
B+
Retailer 7
-
£1,340 GBP
$1,795 USD
View
B+
Retailer 8
-
£1,345 GBP
$1,802 USD
View
B+
Retailer 9
-
£1,632 GBP
SGD 2,955 SGD
View
B+
Retailer 10
-
£1,730 GBP
$2,318 USD
View
B+
Retailer 11
-
£1,755 GBP
$2,351 USD
View
B+
Retailer 12
-
£1,809 GBP
$2,424 USD
View
B
Retailer 13
-
£2,267 GBP
$3,038 USD
View
B
Retailer 14
-
£2,356 GBP
View
B
Retailer 15
-
£2,623 GBP
$3,515 USD
View
Most Expensive
B
Brilliant Earth
22251695A · Oct 29
£3,388 GBP
$4,540 USD
View
15 more retailers have this diamond
Prices start from £490 GBPSave up to £2,899 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
3.77ct Radiant
£490 GBP