Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG805626650

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

Certificate IGI LG805626650

Diamond specifications and retailer prices

From $253 USD
As of November 4, 2026
Save $1,927 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,180 USD at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805626650 or 805626650. Listed at 21 retailers as of November 4, 2026, with prices from $253 to $2,180, a $1,927 spread on the same certified stone. Do Amore Diamonds lists it at $2,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805626650
Dimensions7.76 × 5.46 × 3.61 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.46 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805626650
Side View
Table 63.0%Crown 29.5°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.1%

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: Nov 4
Current: $584 USD|Low: $253 USD|High: $2,030 USD|Avg: $798 USD|+3.5%
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
November 4, 2026
Retailer 4$253 USD
Retailer 13$377 USD
Retailer 9$535 USD
Retailer 1$584 USD
Retailer 3$600 USD
Retailer 5$647 USD
Retailer 6$759 USD
Retailer 12$907 USD
Retailer 11$1,080 USD
Retailer 10$1,168 USD
Retailer 7$1,226 USD
Retailer 8$1,243 USD
Retailer 2$1,970 USD

44 data points across 13 retailers

21 retailers$253 USD to $2,180 USD

Retailer 1
-
$227 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$253 USD
View
Final sale: no returns
Retailer 3
-
$263 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$281 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$281 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$377 USD
View
A
Retailer 7
-
$506 USD
View
A
Retailer 8
-
$535 USD
View
B+
Retailer 9
-
$584 USD
View
B+
Retailer 10
-
$600 USD
View
B+
Retailer 11
-
$647 USD
View
B+
Retailer 12
-
$759 USD
View
B+
Retailer 13
-
$907 USD
View
Retailer 14
-
$997 USD
View
Price last confirmed 19 days ago
Retailer 15
-
$1,080 USD
View
Price last confirmed 17 days ago
B
Retailer 16
-
$1,168 USD
View
B
Retailer 17
-
$1,168 USD
View
B
Retailer 18
-
$1,226 USD
View
B
Retailer 19
-
$1,243 USD
View
B
Retailer 20
-
$1,277 USD
View
Most Expensive
B
Do Amore Diamonds
27-0CFF8A523 · Nov 4
$2,180 USD
View
20 more retailers have this diamond
Prices start from $253 USDSave up to $1,927 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
$253 USD