Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG825616223

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

Certificate IGI LG825616223

Diamond specifications and retailer prices

From $213 USD
As of October 29, 2026
Save $603 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,115 USD at MOH London · As of October 21, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG825616223 or 825616223. Listed at 14 retailers as of October 28, 2026, with a 283% 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
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825616223
Dimensions8.41 × 5.25 × 3.30 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm5.25 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825616223
Side View
Table 67.0%Crown 41.7°Girdle: MediumPavilion 33.6°Culet: NoneDepth 62.9%

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 29
Current: $1,115 USD|Low: $183 USD|High: $1,384 USD|Avg: $626 USD|-3.1%
MOH London
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
October 29, 2026
Retailer 2$213 USD
Retailer 8$291 USD
Retailer 4$322 USD
Retailer 14$393 USD
Retailer 3$408 USD
Retailer 10$429 USD
Retailer 5$590 USD
Retailer 12$608 USD
Retailer 11$765 USD
Retailer 7$773 USD
Retailer 9$816 USD
Retailer 6$887 USD
Retailer 13$905 USD
MOH London$1,115 USD

34 data points across 14 retailers

14 retailers$213 USD to $816 USD

A
Cheapest Retailer
-
$213 USD
Final sale: no returns
A
Retailer 2
-
$291 USD
£229 GBP
View
B+
Retailer 3
-
$322 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$393 USD
€374 EUR
View
Price last confirmed 10 days ago
A
Retailer 5
-
$408 USD
ZAR 6,589 ZAR
View
Price last confirmed 11 days ago
A
Retailer 6
-
$429 USD
£338 GBP
View
B+
Retailer 7
-
$590 USD
A$907 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$608 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$765 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$773 USD
SGD 1,045 SGD
View
B+
Retailer 11
-
$816 USD
View
B
Retailer 12
-
$887 USD
A$1,364 AUD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$905 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG825616223 · Oct 21
$1,115 USD
£878 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $213 USDSave up to $603 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