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Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

VG • G/VVS2 • IGI LG830677220

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830677220

Diamond specifications and retailer prices

From $1,226 NZD
HK$5,400 HKD
As of October 30, 2026
Save $3,456 NZD (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,682 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 3.78ct lab-grown oval diamond

This 3.78ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830677220 or 830677220. Listed at 7 retailers as of October 29, 2026, with prices from $1,226 to $4,682, a $3,456 spread on the same certified stone. MOH London lists it at $4,682. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.78
Carat
G
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830677220
Dimensions12.51 × 8.96 × 5.45 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm8.96 mm3.78 ctG / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830677220
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

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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: $4,682 NZD|Low: $1,226 NZD|High: $4,712 NZD|Avg: $2,365 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$1,226 NZD
Retailer 4$1,512 NZD
Retailer 5$1,670 NZD
Retailer 3$1,783 NZD
Retailer 2$1,858 NZD
Retailer 6$2,645 NZD
Retailer 7$3,631 NZD
MOH London$4,682 NZD

40 data points across 8 retailers

7 retailers$1,226 NZD to $4,682 NZD

A
Cheapest Retailer
-
$1,226 NZD
HK$5,400 HKD
B+
Retailer 2
-
$1,512 NZD
$852 USD
View
A
Retailer 3
-
$1,670 NZD
$941 USD
View
A
Retailer 4
-
$1,858 NZD
£824 GBP
View
B+
Retailer 5
-
$2,645 NZD
$1,491 USD
View
B+
Retailer 6
-
$3,631 NZD
$2,046 USD
View
Most Expensive
B
MOH London
LG830677220 · Oct 29
$4,682 NZD
£2,078 GBP
View
6 more retailers have this diamond
Prices start from $1,226 NZDSave up to $3,456 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
3.78ct Oval
$1,226 NZD