Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG841632343

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

Certificate IGI LG841632343

Diamond specifications and retailer prices

From $191 USD
As of October 27, 2026
Save $924 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,788 USD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg 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 LG841632343 or 841632343. Listed at 21 retailers as of October 27, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841632343
Dimensions8.17 × 5.14 × 3.46 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.14 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841632343
Side View
Table 65.0%Crown 42.1°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.3%

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: $813 USD|Low: $191 USD|High: $1,166 USD|Avg: $554 USD|-4.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 3$191 USD
Retailer 16$214 USD
Retailer 10$223 USD
Retailer 15$237 USD
Retailer 7$238 USD
Retailer 12$270 USD
Retailer 19$320 USD
Retailer 11$393 USD
Retailer 2$407 USD
Retailer 14$432 USD
Retailer 8$562 USD
Retailer 4$582 USD
Retailer 9$635 USD
Retailer 18$763 USD
Retailer 5$769 USD
Retailer 20$798 USD
Retailer 1$813 USD
Retailer 6$965 USD
Retailer 13$1,075 USD
Retailer 17$1,115 USD

17 data points across 20 retailers

21 retailers$191 USD to $1,115 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
-
$237 USD
View
A
Retailer 5
-
$238 USD
View
A
Retailer 6
-
$270 USD
£213 GBP
View
B+
Retailer 7
-
$320 USD
View
A
Retailer 8
-
$393 USD
€374 EUR
View
A
Retailer 9
-
$407 USD
ZAR 6,581 ZAR
View
A
Retailer 10
-
$432 USD
£340 GBP
View
A
Retailer 11
-
$562 USD
View
A
Retailer 12
-
$582 USD
A$895 AUD
View
B+
Retailer 13
-
$635 USD
View
B+
Retailer 14
-
$763 USD
View
B+
Retailer 15
-
$769 USD
View
B+
Retailer 16
-
$798 USD
View
B+
Retailer 17
-
$813 USD
View
B
Retailer 18
-
$965 USD
A$1,485 AUD
View
Retailer 19
-
$1,075 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$1,115 USD
£878 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOKHMJIJKJ · Oct 13
$1,788 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $191 USDSave up to $924 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
$191 USD