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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

VG • D/VVS1 • IGI LG671423914

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG671423914

Diamond specifications and retailer prices

From $504 NZD
As of November 4, 2026
Save $1,992 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,496 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG671423914 or 671423914. Listed at 21 retailers as of November 4, 2026, with prices from $504 to $2,496, a $1,992 spread on the same certified stone. MOH London lists it at $2,496. 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
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671423914
Dimensions7.74 × 5.20 × 3.69 mm
L/W Ratio1.49
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
7.74 mm5.20 mm1.21 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671423914
Side View
Table 62.0%Crown 38°Girdle: MediumPavilion 36.2°Culet: NoneDepth 71.0%

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: Nov 4
Current: $2,496 NZD|Low: $484 NZD|High: $2,532 NZD|Avg: $1,380 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 5, 2026
Retailer 21$504 NZD
Retailer 19$564 NZD
Retailer 7$584 NZD
Retailer 6$624 NZD
Retailer 22$624 NZD
Retailer 2$710 NZD
Retailer 10$816 NZD
Retailer 16$905 NZD
Retailer 5$1,027 NZD
Retailer 8$1,066 NZD
Retailer 13$1,077 NZD
Retailer 11$1,080 NZD
Retailer 12$1,121 NZD
Retailer 3$1,737 NZD
Retailer 18$1,919 NZD
Retailer 17$1,996 NZD
Retailer 4$2,008 NZD
Retailer 15$2,035 NZD
Retailer 9$2,271 NZD
Retailer 14$2,361 NZD
Retailer 20$2,437 NZD
MOH London$2,496 NZD

31 data points across 22 retailers

21 retailers$504 NZD to $2,496 NZD

A
Cheapest Retailer
-
$504 NZD
A
Retailer 2
-
$564 NZD
View
Final sale: no returns
A
Retailer 3
-
$584 NZD
View
Retailer 4
-
$624 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$624 NZD
View
A
Retailer 6
-
$710 NZD
View
Retailer 7
-
$816 NZD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$905 NZD
View
B+
Retailer 9
-
$1,027 NZD
View
B+
Retailer 10
-
$1,066 NZD
View
B+
Retailer 11
-
$1,077 NZD
View
B+
Retailer 12
-
$1,080 NZD
View
Retailer 13
-
$1,737 NZD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,919 NZD
View
Retailer 15
-
$1,996 NZD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$2,008 NZD
View
B
Retailer 17
-
$2,035 NZD
View
Retailer 18
-
$2,361 NZD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$2,370 NZD
View
B
Retailer 20
-
$2,437 NZD
View
Most Expensive
B
MOH London
LG671423914 · Nov 5
$2,496 NZD
£1,108 GBP
View
20 more retailers have this diamond
Prices start from $504 NZDSave up to $1,992 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 Radiant
$504 NZD