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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG620454308

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620454308

Diamond specifications and retailer prices

From $523 NZD
As of November 2, 2026
Save $2,562 NZD (83%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,085 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620454308 or 620454308. Listed at 6 retailers as of November 2, 2026, with prices from $523 to $3,085, a $2,562 spread on the same certified stone. Do Amore Diamonds lists it at $3,085. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620454308
Dimensions6.15 × 6.12 × 4.03 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
6.15 mm6.12 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620454308
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.8%

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 2
Current: $3,085 NZD|Low: $523 NZD|High: $3,085 NZD|Avg: $1,251 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$523 NZD
Retailer 7$705 NZD
Retailer 2$758 NZD
Retailer 8$770 NZD
Retailer 3$794 NZD
Retailer 10$830 NZD
Retailer 11$954 NZD
Retailer 4$1,068 NZD
Retailer 9$1,773 NZD
Retailer 6$2,062 NZD
Do Amore Diamonds$3,085 NZD

40 data points across 11 retailers

6 retailers$523 NZD to $3,085 NZD

A
Cheapest Retailer
-
$523 NZD
A
Retailer 2
-
$705 NZD
View
A
Retailer 3
-
$758 NZD
View
B+
Retailer 4
-
$1,068 NZD
View
Retailer 5
-
$2,062 NZD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-5F4D4275D · Nov 2
$3,085 NZD
$1,710 USD
View
5 more retailers have this diamond
Prices start from $523 NZDSave up to $2,562 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 Cushion
$523 NZD