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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 $284 AUD
$199 USD
As of November 2, 2026
Save $2,441 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,725 AUD 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 $284 to $2,725, a $2,441 spread on the same certified stone. Do Amore Diamonds lists it at $2,725. 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

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: $722 AUD|Low: $227 AUD|High: $1,577 AUD|Avg: $837 AUD|+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$284 AUD
Retailer 2$318 AUD
Retailer 14$330 AUD
Retailer 3$352 AUD
Retailer 11$352 AUD
Retailer 13$611 AUD
Retailer 1$722 AUD
Retailer 4$812 AUD
Retailer 8$950 AUD
Retailer 9$1,136 AUD
Retailer 12$1,250 AUD
Retailer 6$1,495 AUD
Retailer 5$1,555 AUD
Retailer 7$1,558 AUD

43 data points across 14 retailers

16 retailers$284 AUD to $2,725 AUD

A
Cheapest Retailer
-
$284 AUD
$199 USD
A
Retailer 2
-
$318 AUD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$330 AUD
$231 USD
View
A
Retailer 4
-
$352 AUD
$247 USD
View
Retailer 5
-
$352 AUD
$247 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$537 AUD
$376 USD
View
A
Retailer 7
-
$611 AUD
$428 USD
View
B+
Retailer 8
-
$722 AUD
£399 GBP
View
B+
Retailer 9
-
$812 AUD
$569 USD
View
B+
Retailer 10
-
$950 AUD
View
B
Retailer 11
-
$1,136 AUD
$796 USD
View
B
Retailer 12
-
$1,250 AUD
$876 USD
View
B
Retailer 13
-
$1,495 AUD
$1,048 USD
View
B
Retailer 14
-
$1,558 AUD
£860 GBP
View
B
Retailer 15
-
$2,046 AUD
£1,129 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DBB8C2295 · Nov 2
$2,725 AUD
$1,910 USD
View
15 more retailers have this diamond
Prices start from $284 AUDSave up to $2,441 AUD

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
$284 AUD