CaratHunter
Plans
Round|Lab Grown|IGI

1.63ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG555273856

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273856

Diamond specifications and retailer prices

From £296 GBP
$397 USD
As of October 29, 2026
Save £1,148 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,445 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555273856 or 555273856. Listed at 15 retailers as of October 29, 2026, with prices from £296 to £1,445, a £1,148 spread on the same certified stone. MOH London lists it at £1,445. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273856
Dimensions7.54 × 7.47 × 4.67 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
7.54 mm7.47 mm1.63 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273856
Side View
Table 56.5%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: £1,445 GBP|Low: £236 GBP|High: £1,455 GBP|Avg: £675 GBP|-0.6%
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
October 30, 2026
Retailer 11£296 GBP
Retailer 4£331 GBP
Retailer 13£332 GBP
Retailer 3£368 GBP
Retailer 12£368 GBP
Retailer 15£553 GBP
Retailer 9£575 GBP
Retailer 2£575 GBP
Retailer 14£584 GBP
Retailer 6£599 GBP
Retailer 8£632 GBP
Retailer 10£1,031 GBP
Retailer 5£1,182 GBP
Retailer 7£1,209 GBP
MOH London£1,445 GBP

30 data points across 15 retailers

15 retailers£296 GBP to £1,445 GBP

A
Cheapest Retailer
-
£296 GBP
$397 USD
A
Retailer 2
-
£331 GBP
$444 USD
View
Final sale: no returns
A
Retailer 3
-
£332 GBP
$445 USD
View
A
Retailer 4
-
£368 GBP
$493 USD
View
A
Retailer 5
-
£368 GBP
$493 USD
View
B+
Retailer 6
-
£553 GBP
$741 USD
View
B+
Retailer 7
-
£575 GBP
$770 USD
View
B+
Retailer 8
-
£575 GBP
View
B+
Retailer 9
-
£584 GBP
$782 USD
View
B+
Retailer 10
-
£599 GBP
$802 USD
View
B+
Retailer 11
-
£632 GBP
ZAR 13,682 ZAR
View
B
Retailer 12
-
£1,031 GBP
$1,382 USD
View
B
Retailer 13
-
£1,182 GBP
$1,584 USD
View
B
Retailer 14
-
£1,209 GBP
$1,620 USD
View
Most Expensive
B
MOH London
LG555273856 · Oct 29
£1,445 GBP
View
14 more retailers have this diamond
Prices start from £296 GBPSave up to £1,148 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
1.63ct Round
£296 GBP