Round|Lab Grown|IGI

1.57ct I VVS2 Round Lab Grown Diamond

EX • I/VVS2 • IGI LG557211920

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557211920

Diamond specifications and retailer prices

From £288 GBP
$384 USD
As of October 29, 2026
Save £1,115 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,403 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG557211920 or 557211920. Listed at 15 retailers as of October 29, 2026, with prices from £288 to £1,403, a £1,115 spread on the same certified stone. MOH London lists it at £1,403. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557211920
Dimensions7.45 × 7.39 × 4.59 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
7.45 mm7.39 mm1.57 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557211920
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.9%

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: £1,403 GBP|Low: £288 GBP|High: £1,412 GBP|Avg: £686 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
October 29, 2026
Retailer 9£288 GBP
Retailer 13£321 GBP
Retailer 10£357 GBP
Retailer 3£449 GBP
Retailer 6£469 GBP
Retailer 12£542 GBP
Retailer 7£544 GBP
Retailer 11£568 GBP
Retailer 2£614 GBP
Retailer 4£957 GBP
Retailer 8£1,002 GBP
Retailer 5£1,176 GBP
MOH London£1,403 GBP

23 data points across 13 retailers

15 retailers£288 GBP to £1,403 GBP

A
Cheapest Retailer
-
£288 GBP
$384 USD
A
Retailer 2
-
£321 GBP
$428 USD
View
Final sale: no returns
A
Retailer 3
-
£323 GBP
$430 USD
View
A
Retailer 4
-
£357 GBP
$476 USD
View
A
Retailer 5
-
£357 GBP
$476 USD
View
B+
Retailer 6
-
£449 GBP
$598 USD
View
B+
Retailer 7
-
£469 GBP
$625 USD
View
B+
Retailer 8
-
£542 GBP
$722 USD
View
Retailer 9
-
£544 GBP
$725 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£568 GBP
$757 USD
View
B+
Retailer 11
-
£614 GBP
ZAR 13,202 ZAR
View
B
Retailer 12
-
£1,002 GBP
$1,334 USD
View
B
Retailer 13
-
£1,148 GBP
$1,529 USD
View
B
Retailer 14
-
£1,176 GBP
$1,567 USD
View
Most Expensive
B
MOH London
LG557211920 · Oct 29
£1,403 GBP
View
14 more retailers have this diamond
Prices start from £288 GBPSave up to £1,115 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
1.57ct Round
£288 GBP