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Round|Lab Grown|IGI

3.57ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG603346857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG603346857

Diamond specifications and retailer prices

From £531 GBP
$712 USD
As of October 29, 2026
Save £1,915 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,446 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.57ct lab-grown round diamond

This 3.57ct 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 LG603346857 or 603346857. Listed at 16 retailers as of October 26, 2026, with prices from £531 to £2,446, a £1,915 spread on the same certified stone. MOH London lists it at £2,446. 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

3.57
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603346857
Dimensions9.73 × 9.65 × 6.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.73 mm9.65 mm3.57 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603346857
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.7%

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: £2,446 GBP|Low: £531 GBP|High: £2,519 GBP|Avg: £1,216 GBP|-1.6%
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
Retailer 16
October 31, 2026
Retailer 3£531 GBP
Retailer 10£578 GBP
Retailer 14£595 GBP
Retailer 7£622 GBP
Retailer 8£659 GBP
Retailer 5£754 GBP
Retailer 12£857 GBP
Retailer 9£872 GBP
Retailer 15£919 GBP
Retailer 13£999 GBP
Retailer 2£1,391 GBP
Retailer 4£1,444 GBP
Retailer 11£1,517 GBP
Retailer 6£1,749 GBP
Retailer 16£2,124 GBP
MOH London£2,446 GBP

33 data points across 16 retailers

16 retailers£531 GBP to £2,446 GBP

A
Cheapest Retailer
-
£531 GBP
$712 USD
A
Retailer 2
-
£578 GBP
$774 USD
View
A
Retailer 3
-
£595 GBP
$797 USD
View
Final sale: no returns
A
Retailer 4
-
£622 GBP
$834 USD
View
Retailer 5
-
£659 GBP
$883 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£754 GBP
$1,010 USD
View
A
Retailer 7
-
£857 GBP
$1,148 USD
View
A
Retailer 8
-
£872 GBP
$1,168 USD
View
A
Retailer 9
-
£919 GBP
View
B+
Retailer 10
-
£999 GBP
$1,339 USD
View
B+
Retailer 11
-
£1,391 GBP
A$2,868 AUD
View
B+
Retailer 12
-
£1,444 GBP
ZAR 31,265 ZAR
View
B
Retailer 13
-
£1,517 GBP
$2,033 USD
View
B
Retailer 14
-
£1,749 GBP
$2,344 USD
View
B
Retailer 15
-
£2,124 GBP
$2,846 USD
View
Most Expensive
B
MOH London
LG603346857 · Oct 26
£2,446 GBP
View
15 more retailers have this diamond
Prices start from £531 GBPSave up to £1,915 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
3.57ct Round
£531 GBP