Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG611361148

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

Certificate IGI LG611361148

Diamond specifications and retailer prices

From $213 USD
As of October 28, 2026
Save $1,607 USD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,820 USD at Do Amore Diamonds · As of October 28, 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 LG611361148 or 611361148. Listed at 15 retailers as of October 28, 2026, with prices from $213 to $1,820, a $1,607 spread on the same certified stone. Do Amore Diamonds lists it at $1,820. 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 angle38.5°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611361148
Dimensions5.40 × 5.40 × 7.36 mm
L/W Ratio1.00
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
5.40 mm5.40 mm1.28 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611361148
Side View
Table 65.0%Crown 38.5°Girdle: MediumPavilion 32.5°Culet: NoneDepth 68.3%

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 28
Current: $1,820 USD|Low: $142 USD|High: $1,820 USD|Avg: $658 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13$213 USD
Retailer 11$236 USD
Retailer 4$374 USD
Retailer 12$413 USD
Retailer 7$447 USD
Retailer 6$477 USD
Retailer 3$484 USD
Retailer 8$636 USD
Retailer 10$686 USD
Retailer 9$760 USD
Retailer 5$1,008 USD
Retailer 2$1,048 USD
Do Amore Diamonds$1,820 USD

42 data points across 13 retailers

15 retailers$213 USD to $1,820 USD

A
Cheapest Retailer
-
$213 USD
Final sale: no returns
A
Retailer 2
-
$236 USD
View
A
Retailer 3
-
$374 USD
View
A
Retailer 4
-
$413 USD
View
A
Retailer 5
-
$447 USD
ZAR 7,215 ZAR
View
B+
Retailer 6
-
$477 USD
£376 GBP
View
B+
Retailer 7
-
$484 USD
View
B+
Retailer 8
-
$636 USD
A$978 AUD
View
B+
Retailer 9
-
$686 USD
A$1,056 AUD
View
Price last confirmed 21 days ago
B
Retailer 10
-
$760 USD
View
B
Retailer 11
-
$767 USD
£604 GBP
View
B
Retailer 12
-
$836 USD
View
B
Retailer 13
-
$1,008 USD
View
B
Retailer 14
-
$1,048 USD
£825 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F5213C812 · Oct 28
$1,820 USD
View
14 more retailers have this diamond
Prices start from $213 USDSave up to $1,607 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
$213 USD