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1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG654436992

Shape and cutting style on the report: Round brilliant

Certificate IGI LG654436992

Diamond specifications and retailer prices

From €449 EUR
$502 USD
As of October 30, 2026
Save €621 EUR (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,071 EUR at MOH London · As of October 25, 2026
View at MOH London

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 LG654436992 or 654436992. Listed at 4 retailers as of October 25, 2026, with prices from €449 to €1,071, a €621 spread on the same certified stone. MOH London lists it at €1,071. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654436992
Dimensions7.77 × 7.75 × 4.81 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.77 mm7.75 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654436992
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,071 EUR|Low: €427 EUR|High: €1,082 EUR|Avg: €589 EUR|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5€443 EUR
Retailer 3€449 EUR
Retailer 2€504 EUR
Retailer 4€561 EUR
MOH London€1,071 EUR

40 data points across 5 retailers

4 retailers€449 EUR to €1,071 EUR

B+
Cheapest Retailer
-
€449 EUR
$502 USD
A
Retailer 2
-
€504 EUR
£443 GBP
View
B+
Retailer 3
-
€561 EUR
$627 USD
View
Most Expensive
B
MOH London
LG654436992 · Oct 25
€1,071 EUR
£942 GBP
View
3 more retailers have this diamond
Prices start from €449 EURSave up to €621 EUR

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
1.78ct Round
€449 EUR