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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG816674414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816674414

Diamond specifications and retailer prices

From $371 NZD
As of November 4, 2026
Save $1,547 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,917 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816674414 or 816674414. Listed at 16 retailers as of November 4, 2026, with prices from $371 to $1,917, a $1,547 spread on the same certified stone. MOH London lists it at $1,917. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816674414
Dimensions10.39 × 5.55 × 3.55 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816674414
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,917 NZD|Low: $371 NZD|High: $2,023 NZD|Avg: $1,068 NZD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 11$371 NZD
Retailer 8$548 NZD
Retailer 13$553 NZD
Retailer 12$710 NZD
Retailer 6$734 NZD
Retailer 2$738 NZD
Retailer 3$818 NZD
Retailer 15$848 NZD
Retailer 10$1,002 NZD
Retailer 14$1,322 NZD
Retailer 9$1,327 NZD
Retailer 7$1,331 NZD
Retailer 5$1,382 NZD
Retailer 4$1,417 NZD
MOH London$1,917 NZD

41 data points across 15 retailers

16 retailers$371 NZD to $1,917 NZD

A
Cheapest Retailer
-
$371 NZD
Final sale: no returns
A
Retailer 2
-
$548 NZD
View
B+
Retailer 3
-
$553 NZD
View
A
Retailer 4
-
$710 NZD
View
Retailer 5
-
$734 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$738 NZD
View
A
Retailer 7
-
$818 NZD
View
A
Retailer 8
-
$848 NZD
View
B+
Retailer 9
-
$1,002 NZD
View
B+
Retailer 10
-
$1,322 NZD
View
B+
Retailer 11
-
$1,327 NZD
View
Retailer 12
-
$1,331 NZD
View
Price last confirmed 29 days ago
Retailer 13
-
$1,382 NZD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,417 NZD
View
B
Retailer 15
-
$1,756 NZD
View
Most Expensive
B
MOH London
LG816674414 · Nov 5
$1,917 NZD
£851 GBP
View
15 more retailers have this diamond
Prices start from $371 NZDSave up to $1,547 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
$371 NZD