CaratHunter
Plans
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 $199 USD
As of October 27, 2026
Save $1,711 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,910 USD at Do Amore Diamonds · As of October 27, 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 October 27, 2026, with prices from $199 to $1,910, a $1,711 spread on the same certified stone. Do Amore Diamonds lists it at $1,910. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,910 USD|Low: $159 USD|High: $1,910 USD|Avg: $779 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 28, 2026
Retailer 8$223 USD
Retailer 3$376 USD
Retailer 7$428 USD
Retailer 2$503 USD
Retailer 9$569 USD
Retailer 4$666 USD
Retailer 6$796 USD
Retailer 11$1,048 USD
Retailer 10$1,090 USD
Retailer 5$1,093 USD
Do Amore Diamonds$1,910 USD

40 data points across 11 retailers

16 retailers$199 USD to $1,910 USD

A
Cheapest Retailer
-
$199 USD
Returns within 21 days
A
Retailer 2
-
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$231 USD
View
A
Retailer 4
-
$247 USD
View
Returns within 30 days
A
Retailer 5
-
$247 USD
View
Returns within 30 days
A
Retailer 6
-
$376 USD
View
Returns within 30 days
A
Retailer 7
-
$428 USD
View
Returns within 30 days
A
Retailer 8
-
$503 USD
£396 GBP
View
Returns within 30 days
B+
Retailer 9
-
$569 USD
View
Returns within 30 days
B+
Retailer 10
-
$666 USD
A$1,024 AUD
View
B
Retailer 11
-
$796 USD
View
Returns within 30 days
B
Retailer 12
-
$876 USD
View
Returns within 30 days
B
Retailer 13
-
$1,048 USD
View
Returns within 90 days
B
Retailer 14
-
$1,093 USD
£861 GBP
View
B
Retailer 15
-
$1,434 USD
£1,129 GBP
View
Returns within 30 days
Most Expensive
B
Do Amore Diamonds
27-DBB8C2295 · Oct 27
$1,910 USD
View
Returns within 60 days
15 more retailers have this diamond
Prices start from $199 USDSave up to $1,711 USD

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
$199 USD