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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG621476649

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

Certificate IGI LG621476649

Diamond specifications and retailer prices

From $354 NZD
$199 USD
As of November 2, 2026
Save $3,041 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,395 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621476649 or 621476649. Listed at 16 retailers as of November 2, 2026, with prices from $354 to $3,395, a $3,041 spread on the same certified stone. Do Amore Diamonds lists it at $3,395. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621476649
Dimensions7.68 × 5.37 × 3.62 mm
L/W Ratio1.43
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
7.68 mm5.37 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621476649
Side View
Table 66.0%Crown 41.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.4%

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 2
Current: $900 NZD|Low: $283 NZD|High: $1,964 NZD|Avg: $1,043 NZD|+4.6%
Retailer 1
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
November 2, 2026
Retailer 10$354 NZD
Retailer 2$396 NZD
Retailer 14$411 NZD
Retailer 3$439 NZD
Retailer 11$439 NZD
Retailer 13$761 NZD
Retailer 1$900 NZD
Retailer 4$1,011 NZD
Retailer 8$1,183 NZD
Retailer 9$1,415 NZD
Retailer 12$1,557 NZD
Retailer 6$1,862 NZD
Retailer 5$1,937 NZD
Retailer 7$1,941 NZD

43 data points across 14 retailers

16 retailers$354 NZD to $3,395 NZD

A
Cheapest Retailer
-
$354 NZD
$199 USD
A
Retailer 2
-
$396 NZD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$411 NZD
$231 USD
View
A
Retailer 4
-
$439 NZD
$247 USD
View
Retailer 5
-
$439 NZD
$247 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$668 NZD
$376 USD
View
A
Retailer 7
-
$761 NZD
$428 USD
View
B+
Retailer 8
-
$900 NZD
£399 GBP
View
B+
Retailer 9
-
$1,011 NZD
$569 USD
View
B+
Retailer 10
-
$1,183 NZD
A$1,024 AUD
View
B
Retailer 11
-
$1,415 NZD
$796 USD
View
B
Retailer 12
-
$1,557 NZD
$876 USD
View
B
Retailer 13
-
$1,862 NZD
$1,048 USD
View
B
Retailer 14
-
$1,941 NZD
£860 GBP
View
B
Retailer 15
-
$2,549 NZD
£1,129 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DBB8C2295 · Nov 2
$3,395 NZD
$1,910 USD
View
15 more retailers have this diamond
Prices start from $354 NZDSave up to $3,041 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
1.28ct Radiant
$354 NZD