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Marquise|Lab Grown|IGI

1.21ct G VVS1 Marquise Lab Grown Diamond

VG • G/VVS1 • IGI LG494177484

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG494177484

Diamond specifications and retailer prices

From $761 NZD
As of November 1, 2026
Save $1,297 NZD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,058 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG494177484 or 494177484. Listed at 8 retailers as of November 1, 2026, with prices from $761 to $2,058, a $1,297 spread on the same certified stone. MOH London lists it at $2,058. 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

1.21
Carat
G
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494177484
Dimensions11.52 × 5.81 × 3.30 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.52 mm5.81 mm1.21 ctG / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494177484
Side View
Table 58.5%Crown 29.5°Girdle: ThinPavilion 39.9°Culet: NoneDepth 56.8%

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: Nov 1
Current: $2,058 NZD|Low: $745 NZD|High: $2,090 NZD|Avg: $1,173 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$761 NZD
Retailer 7$767 NZD
Retailer 2$801 NZD
Retailer 6$998 NZD
Retailer 5$1,010 NZD
Retailer 4$1,370 NZD
Retailer 8$1,514 NZD
MOH London$2,058 NZD

37 data points across 8 retailers

8 retailers$761 NZD to $2,058 NZD

A
Cheapest Retailer
-
$761 NZD
A
Retailer 2
-
$767 NZD
View
A
Retailer 3
-
$801 NZD
View
B+
Retailer 4
-
$998 NZD
View
B+
Retailer 5
-
$1,010 NZD
View
B
Retailer 6
-
$1,370 NZD
View
B
Retailer 7
-
$1,514 NZD
View
Most Expensive
B
MOH London
LG494177484 · Nov 5
$2,058 NZD
£911 GBP
View
7 more retailers have this diamond
Prices start from $761 NZDSave up to $1,297 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
1.21ct Marquise
$761 NZD