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Round|Lab Grown|IGI

3.72ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG620449208

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620449208

Diamond specifications and retailer prices

From £452 GBP
$605 USD
As of October 29, 2026
Save £3,429 GBP (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,881 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.72ct lab-grown round diamond

This 3.72ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620449208 or 620449208. Listed at 11 retailers as of October 29, 2026, with prices from £452 to £3,881, a £3,429 spread on the same certified stone. Do Amore Diamonds lists it at £3,881. 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

3.72
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620449208
Dimensions9.90 × 9.87 × 6.11 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
9.90 mm9.87 mm3.72 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620449208
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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: £3,881 GBP|Low: £506 GBP|High: £3,881 GBP|Avg: £1,633 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7£506 GBP
Retailer 9£782 GBP
Retailer 2£828 GBP
Retailer 8£859 GBP
Retailer 5£862 GBP
Retailer 6£1,390 GBP
Retailer 10£1,772 GBP
Retailer 3£2,184 GBP
Retailer 11£2,244 GBP
Retailer 4£2,449 GBP
Do Amore Diamonds£3,881 GBP

31 data points across 11 retailers

11 retailers£452 GBP to £3,881 GBP

A
Cheapest Retailer
-
£452 GBP
$605 USD
A
Retailer 2
-
£506 GBP
$678 USD
View
A
Retailer 3
-
£782 GBP
$1,048 USD
View
A
Retailer 4
-
£828 GBP
View
A
Retailer 5
-
£859 GBP
$1,151 USD
View
B+
Retailer 6
-
£862 GBP
$1,155 USD
View
B
Retailer 7
-
£1,390 GBP
$1,862 USD
View
B
Retailer 8
-
£1,626 GBP
$2,179 USD
View
B
Retailer 9
-
£1,772 GBP
$2,374 USD
View
B
Retailer 10
-
£2,449 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1612848 · Oct 29
£3,881 GBP
$5,200 USD
View
10 more retailers have this diamond
Prices start from £452 GBPSave up to £3,429 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
3.72ct Round
£452 GBP