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Round|Lab Grown|IGI

3.74ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG635427442

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635427442

Diamond specifications and retailer prices

From £358 GBP
$477 USD
As of October 29, 2026
Save £1,147 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,506 GBP at The Diamond Guys · As of October 30, 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 LG635427442 or 635427442. Listed at 6 retailers as of October 29, 2026, with prices from £358 to £1,506, a £1,147 spread on the same certified stone. The Diamond Guys lists it at £1,506. 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 angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635427442
Dimensions9.93 × 9.90 × 6.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.93 mm9.90 mm3.74 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635427442
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: £358 GBP|Low: £245 GBP|High: £3,965 GBP|Avg: £1,231 GBP|-3.8%
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
The Diamond Guys
October 27, 2026
Retailer 1£358 GBP
Retailer 13£379 GBP
Retailer 7£506 GBP
Retailer 10£607 GBP
Retailer 5£626 GBP
Retailer 12£675 GBP
Retailer 14£871 GBP
Retailer 9£982 GBP
Retailer 2£1,029 GBP
Retailer 6£1,043 GBP
Retailer 11£1,462 GBP
The Diamond Guys£1,506 GBP
Retailer 4£1,727 GBP
Retailer 8£2,726 GBP
Retailer 3£3,965 GBP

15 data points across 15 retailers

6 retailers£358 GBP to £1,506 GBP

A
Cheapest Retailer
-
£358 GBP
$477 USD
Final sale: no returns
B+
Retailer 2
-
£506 GBP
$674 USD
View
Retailer 3
-
£871 GBP
ZAR 18,732 ZAR
View
Price last confirmed 65 days ago
Retailer 4
-
£982 GBP
$1,308 USD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
£1,043 GBP
CA$1,929 CAD
View
Most Expensive
B
The Diamond Guys
1954433969 · Oct 30
£1,506 GBP
$2,005 USD
View
5 more retailers have this diamond
Prices start from £358 GBPSave up to £1,147 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
£358 GBP