Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG614334894

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

Certificate IGI LG614334894

Diamond specifications and retailer prices

From $185 USD
As of October 30, 2026
Save $1,585 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,770 USD at Do Amore Diamonds · As of October 31, 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 very-good cut grade and certified by IGI LG614334894 or 614334894. Listed at 11 retailers as of October 30, 2026, with prices from $185 to $1,770, a $1,585 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614334894
Dimensions7.55 × 5.34 × 3.65 mm
L/W Ratio1.41
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
7.55 mm5.34 mm1.28 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614334894
Side View
Table 61.0%Crown 45°Girdle: THN-MEDPavilion 34.5°Culet: NoneDepth 68.4%

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: Oct 30
Current: $1,770 USD|Low: $174 USD|High: $1,770 USD|Avg: $711 USD|+1.7%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 14$185 USD
Retailer 18$203 USD
Retailer 12$214 USD
Retailer 16$404 USD
Retailer 3$416 USD
Retailer 8$441 USD
Retailer 5$503 USD
Retailer 7$532 USD
Retailer 11$618 USD
Retailer 10$672 USD
Retailer 9$701 USD
Retailer 13$778 USD
Retailer 15$813 USD
Retailer 6$947 USD
Retailer 4$970 USD
Retailer 2$1,182 USD
Retailer 17$1,310 USD
Do Amore Diamonds$1,770 USD

19 data points across 18 retailers

11 retailers$185 USD to $1,770 USD

A
Cheapest Retailer
-
$185 USD
A
Retailer 2
-
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$214 USD
View
A
Retailer 4
-
$404 USD
View
B+
Retailer 5
-
$618 USD
A$951 AUD
View
B
Retailer 6
-
$778 USD
View
B
Retailer 7
-
$813 USD
View
B
Retailer 8
-
$970 USD
View
B
Retailer 9
-
$1,182 USD
£931 GBP
View
B
Retailer 10
-
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-B98A4F402 · Oct 31
$1,770 USD
View
10 more retailers have this diamond
Prices start from $185 USDSave up to $1,585 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
$185 USD