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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 $891 NZD
$502 USD
As of October 30, 2026
Save $1,232 NZD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,123 NZD 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 $891 to $2,123, a $1,232 spread on the same certified stone. MOH London lists it at $2,123. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,123 NZD|Low: $846 NZD|High: $2,145 NZD|Avg: $1,168 NZD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$878 NZD
Retailer 3$891 NZD
Retailer 2$999 NZD
Retailer 4$1,112 NZD
MOH London$2,123 NZD

40 data points across 5 retailers

4 retailers$891 NZD to $2,123 NZD

B+
Cheapest Retailer
-
$891 NZD
$502 USD
A
Retailer 2
-
$999 NZD
£443 GBP
View
B+
Retailer 3
-
$1,112 NZD
$627 USD
View
Most Expensive
B
MOH London
LG654436992 · Oct 25
$2,123 NZD
£942 GBP
View
3 more retailers have this diamond
Prices start from $891 NZDSave up to $1,232 NZD

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
$891 NZD