CaratHunter
Plans
Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG598348655

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598348655

Diamond specifications and retailer prices

From £583 GBP
$777 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: £583 GBP at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG598348655 or 598348655. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598348655
Dimensions7.80 × 7.84 × 4.81 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.80 mm7.84 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598348655
Side View
Table 55.0%Crown 34.1°GirdlePavilion 40.9°Culet: NoneDepth 61.5%

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 28
Current: £583 GBP|Low: £583 GBP|High: £709 GBP|Avg: £646 GBP|-17.7%
September 19, 2026
William & Sons Jewelers£583 GBP

2 data points across 1 retailer

1 retailer

B+
William & Sons Jewelers
cert_LG598348655 · Oct 28
£583 GBP
$777 USD
View
Final sale: no returns

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+
1.78ct Round
£583 GBP