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Round|Lab Grown|IGI

1.21ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG470150720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470150720

Diamond specifications and retailer prices

From $722 NZD
As of November 3, 2026
Save $2,093 NZD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,577 NZD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG470150720 or 470150720. Listed at 14 retailers as of November 3, 2026, with a 290% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470150720
Dimensions6.85 × 6.83 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.85 mm6.83 mm1.21 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470150720
Side View
Table 57.5%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

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 3
Current: $4,577 NZD|Low: $451 NZD|High: $4,577 NZD|Avg: $1,449 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$451 NZD
Retailer 3$500 NZD
Retailer 8$722 NZD
Retailer 9$914 NZD
Retailer 10$1,048 NZD
Retailer 6$1,215 NZD
Retailer 11$1,474 NZD
Retailer 5$1,731 NZD
Retailer 7$1,962 NZD
Retailer 4$2,283 NZD
Retailer 2$2,815 NZD
Do Amore Diamonds$4,577 NZD

23 data points across 12 retailers

14 retailers$722 NZD to $2,815 NZD

Retailer 1
-
$403 NZD
Price last confirmed 43 days ago
Retailer 2
-
$468 NZD
View
Price last confirmed 44 days ago
Retailer 3
-
$493 NZD
View
Price last confirmed 44 days ago
A
Retailer 4
-
$722 NZD
View
B+
Retailer 5
-
$914 NZD
View
B
Retailer 6
-
$1,048 NZD
View
B
Retailer 7
-
$1,215 NZD
View
B
Retailer 8
-
$1,474 NZD
View
B
Retailer 9
-
$1,731 NZD
View
Retailer 10
-
$1,774 NZD
View
Price last confirmed 45 days ago
B
Retailer 11
-
$1,962 NZD
View
B
Retailer 12
-
$2,283 NZD
View
B
Retailer 13
-
$2,815 NZD
View
Most Expensive
Do Amore Diamonds
27-54DC0253E · Nov 3
$4,577 NZD
$2,580 USD
View
Price under review
13 more retailers have this diamond
Prices start from $722 NZDSave up to $2,093 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 Round
$722 NZD