Round|Lab Grown|IGI

3.76ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG634423650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634423650

Diamond specifications and retailer prices

From £357 GBP
$479 USD
As of October 29, 2026
Save £1,146 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,504 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.76ct lab-grown round diamond

This 3.76ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634423650 or 634423650. Listed at 6 retailers as of October 29, 2026, with prices from £357 to £1,504, a £1,146 spread on the same certified stone. The Diamond Guys lists it at £1,504. 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

3.76
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634423650
Dimensions10.10 × 10.05 × 6.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.10 mm10.05 mm3.76 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634423650
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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 29
Current: £357 GBP|Low: £245 GBP|High: £2,724 GBP|Avg: £1,042 GBP|-4.0%
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
The Diamond Guys
October 27, 2026
Retailer 1£357 GBP
Retailer 11£489 GBP
Retailer 6£507 GBP
Retailer 9£605 GBP
Retailer 4£625 GBP
Retailer 10£678 GBP
Retailer 13£870 GBP
Retailer 8£981 GBP
Retailer 2£1,029 GBP
Retailer 5£1,043 GBP
Retailer 12£1,460 GBP
The Diamond Guys£1,504 GBP
Retailer 3£1,716 GBP
Retailer 7£2,724 GBP

15 data points across 14 retailers

6 retailers£357 GBP to £1,504 GBP

A
Cheapest Retailer
-
£357 GBP
$479 USD
Final sale: no returns
B+
Retailer 2
-
£507 GBP
$679 USD
View
Retailer 3
-
£870 GBP
ZAR 18,827 ZAR
View
Price last confirmed 65 days ago
Retailer 4
-
£981 GBP
$1,314 USD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
£1,043 GBP
CA$1,940 CAD
View
Most Expensive
B
The Diamond Guys
1954433966 · Oct 30
£1,504 GBP
$2,015 USD
View
5 more retailers have this diamond
Prices start from £357 GBPSave up to £1,146 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
3.76ct Round
£357 GBP