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Round|Lab Grown|IGI

1.63ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG492112689

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492112689

Diamond specifications and retailer prices

From £672 GBP
$900 USD
As of October 30, 2026
Save £3,559 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,231 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 LG492112689 or 492112689. Listed at 13 retailers as of October 29, 2026, with prices from £672 to £4,231, a £3,559 spread on the same certified stone. MOH London lists it at £4,231. 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 angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492112689
Dimensions7.51 × 7.56 × 4.60 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
7.51 mm7.56 mm1.63 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492112689
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,231 GBP|Low: £672 GBP|High: £4,265 GBP|Avg: £2,013 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
October 30, 2026
Retailer 2£672 GBP
Retailer 10£1,270 GBP
Retailer 14£1,382 GBP
Retailer 13£1,423 GBP
Retailer 4£1,474 GBP
Retailer 11£1,474 GBP
Retailer 5£1,601 GBP
Retailer 6£1,969 GBP
Retailer 12£2,315 GBP
Retailer 7£2,462 GBP
Retailer 9£2,541 GBP
Retailer 8£2,709 GBP
Retailer 3£2,762 GBP
MOH London£4,231 GBP

26 data points across 14 retailers

13 retailers£672 GBP to £4,231 GBP

B+
Cheapest Retailer
-
£672 GBP
$900 USD
B
Retailer 2
-
£1,270 GBP
$1,702 USD
View
B
Retailer 3
-
£1,382 GBP
$1,852 USD
View
B
Retailer 4
-
£1,423 GBP
$1,906 USD
View
Final sale: no returns
B
Retailer 5
-
£1,474 GBP
$1,975 USD
View
Retailer 6
-
£1,474 GBP
$1,975 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,601 GBP
$2,145 USD
View
B
Retailer 8
-
£2,315 GBP
$3,102 USD
View
B
Retailer 9
-
£2,462 GBP
View
B
Retailer 10
-
£2,541 GBP
$3,404 USD
View
B
Retailer 11
-
£2,709 GBP
ZAR 58,642 ZAR
View
B
Retailer 12
-
£2,762 GBP
$3,701 USD
View
Most Expensive
B
MOH London
LG492112689 · Oct 29
£4,231 GBP
View
12 more retailers have this diamond
Prices start from £672 GBPSave up to £3,559 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.

B+
1.63ct Round
£672 GBP