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Round|Lab Grown|IGI

3.74ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG630453016

Shape and cutting style on the report: Round brilliant

Certificate IGI LG630453016

Diamond specifications and retailer prices

From £353 GBP
$470 USD
As of October 29, 2026
Save £1,130 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,483 GBP at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 3.74ct lab-grown round diamond

This 3.74ct 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 LG630453016 or 630453016. Listed at 6 retailers as of October 28, 2026, with prices from £353 to £1,483, a £1,130 spread on the same certified stone. The Diamond Guys lists it at £1,483. 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

3.74
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630453016
Dimensions10.04 × 10.01 × 6.07 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
10.04 mm10.01 mm3.74 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630453016
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £353 GBP|Low: £243 GBP|High: £2,696 GBP|Avg: £1,033 GBP|-4.1%
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£353 GBP
Retailer 12£375 GBP
Retailer 6£502 GBP
Retailer 9£604 GBP
Retailer 4£619 GBP
Retailer 11£674 GBP
Retailer 13£863 GBP
Retailer 8£972 GBP
Retailer 2£1,024 GBP
Retailer 5£1,121 GBP
Retailer 10£1,450 GBP
The Diamond Guys£1,483 GBP
Retailer 3£1,724 GBP
Retailer 7£2,696 GBP

15 data points across 14 retailers

6 retailers£353 GBP to £1,483 GBP

A
Cheapest Retailer
-
£353 GBP
$470 USD
Final sale: no returns
B+
Retailer 2
-
£502 GBP
$668 USD
View
Retailer 3
-
£863 GBP
ZAR 18,556 ZAR
View
Price last confirmed 64 days ago
Retailer 4
-
£972 GBP
$1,295 USD
View
Price last confirmed 43 days ago
B+
Retailer 5
-
£1,121 GBP
CA$2,073 CAD
View
Most Expensive
B
The Diamond Guys
1954433968 · Oct 28
£1,483 GBP
$1,975 USD
View
5 more retailers have this diamond
Prices start from £353 GBPSave up to £1,130 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
3.74ct Round
£353 GBP