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Round|Lab Grown|IGI

3.74ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG623459782

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623459782

Diamond specifications and retailer prices

From £360 GBP
$480 USD
As of October 29, 2026
Save £1,283 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,643 GBP at MOH London · As of October 26, 2026
View at MOH London

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 LG623459782 or 623459782. Listed at 11 retailers as of October 26, 2026, with prices from £360 to £1,643, a £1,283 spread on the same certified stone. MOH London lists it at £1,643. 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 angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623459782
Dimensions9.91 × 9.86 × 6.16 mm
L/W Ratio1.01
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
9.91 mm9.86 mm3.74 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623459782
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: £1,643 GBP|Low: £360 GBP|High: £2,054 GBP|Avg: £1,104 GBP|-0.9%
MOH London
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
October 29, 2026
Retailer 11£360 GBP
Retailer 13£403 GBP
Retailer 14£567 GBP
Retailer 8£653 GBP
Retailer 12£697 GBP
Retailer 9£698 GBP
Retailer 6£921 GBP
Retailer 2£944 GBP
Retailer 5£1,093 GBP
Retailer 10£1,201 GBP
Retailer 3£1,241 GBP
Retailer 15£1,632 GBP
MOH London£1,643 GBP
Retailer 4£1,803 GBP
Retailer 7£2,054 GBP

21 data points across 15 retailers

11 retailers£360 GBP to £1,643 GBP

A
Cheapest Retailer
-
£360 GBP
$480 USD
A
Retailer 2
-
£403 GBP
$537 USD
View
Final sale: no returns
A
Retailer 3
-
£403 GBP
$537 USD
View
A
Retailer 4
-
£567 GBP
HK$5,900 HKD
View
A
Retailer 5
-
£653 GBP
€828 EUR
View
B+
Retailer 6
-
£697 GBP
$928 USD
View
A
Retailer 7
-
£698 GBP
$930 USD
View
B+
Retailer 8
-
£944 GBP
A$1,933 AUD
View
B+
Retailer 9
-
£1,201 GBP
$1,599 USD
View
B+
Retailer 10
-
£1,436 GBP
$1,912 USD
View
Most Expensive
B
MOH London
LG623459782 · Oct 26
£1,643 GBP
View
10 more retailers have this diamond
Prices start from £360 GBPSave up to £1,283 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
£360 GBP