Round|Lab Grown|IGI

3.89ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG635467594

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635467594

Diamond specifications and retailer prices

From £372 GBP
$498 USD
As of October 29, 2026
Save £1,562 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,934 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.89ct lab-grown round diamond

This 3.89ct 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 LG635467594 or 635467594. Listed at 11 retailers as of October 29, 2026, with prices from £372 to £1,934, a £1,562 spread on the same certified stone. MOH London lists it at £1,934. 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

3.89
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635467594
Dimensions10.13 × 10.07 × 6.17 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
10.13 mm10.07 mm3.89 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635467594
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: £1,934 GBP|Low: £372 GBP|High: £2,104 GBP|Avg: £1,149 GBP|-0.5%
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 30, 2026
Retailer 11£372 GBP
Retailer 13£416 GBP
Retailer 14£583 GBP
Retailer 8£673 GBP
Retailer 12£716 GBP
Retailer 9£716 GBP
Retailer 6£944 GBP
Retailer 2£973 GBP
Retailer 5£1,168 GBP
Retailer 10£1,238 GBP
Retailer 3£1,281 GBP
Retailer 15£1,667 GBP
Retailer 4£1,843 GBP
MOH London£1,934 GBP
Retailer 7£2,104 GBP

23 data points across 15 retailers

11 retailers£372 GBP to £1,934 GBP

A
Cheapest Retailer
-
£372 GBP
$498 USD
A
Retailer 2
-
£416 GBP
$557 USD
View
Final sale: no returns
A
Retailer 3
-
£416 GBP
$557 USD
View
A
Retailer 4
-
£583 GBP
HK$6,100 HKD
View
A
Retailer 5
-
£673 GBP
€859 EUR
View
B+
Retailer 6
-
£716 GBP
$959 USD
View
A
Retailer 7
-
£716 GBP
$960 USD
View
A
Retailer 8
-
£973 GBP
A$2,006 AUD
View
B+
Retailer 9
-
£1,211 GBP
$1,623 USD
View
B+
Retailer 10
-
£1,238 GBP
$1,659 USD
View
Most Expensive
B
MOH London
LG635467594 · Oct 29
£1,934 GBP
View
10 more retailers have this diamond
Prices start from £372 GBPSave up to £1,562 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
3.89ct Round
£372 GBP