Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG801643283

Certificate IGI LG801643283

Diamond specifications and retailer prices

From $1,106 USD
As of October 29, 2026
Save $434 USD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,540 USD at Zales · As of October 28, 2026
View at Zales

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG801643283 or 801643283. Listed at 4 retailers as of October 28, 2026, with prices from $1,106 to $1,540, a $434 spread on the same certified stone. Zales lists it at $1,540. 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
E
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG801643283
Dimensions7.68 × 5.56 × 3.77 mm
L/W Ratio1.38
Top View
7.68 mm5.56 mm1.28 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801643283
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,310 USD|Low: $1,106 USD|High: $1,670 USD|Avg: $1,419 USD|-21.6%
Retailer 1
Retailer 2
Retailer 3
Zales
September 28, 2026
Retailer 2$1,106 USD
Retailer 1$1,310 USD
Retailer 3$1,540 USD
Zales$1,540 USD

2 data points across 4 retailers

4 retailers$1,106 USD to $1,540 USD

B
Cheapest Retailer
-
$1,106 USD
B
Retailer 2
-
$1,310 USD
View
B
Retailer 3
-
$1,540 USD
View
Most Expensive
B
Zales
528666910 · Oct 28
$1,540 USD
View
3 more retailers have this diamond
Prices start from $1,106 USDSave up to $434 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.

B
1.28ct Radiant
$1,106 USD