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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 $303 AUD
$213 USD
As of October 30, 2026
Save $853 AUD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,587 AUD 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 13 retailers as of October 29, 2026, with a 282% 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
Colour
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 30
Current: $1,587 AUD|Low: $260 AUD|High: $1,970 AUD|Avg: $918 AUD|-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 30, 2026
Retailer 11$303 AUD
Retailer 7$413 AUD
Retailer 3$559 AUD
Retailer 4$581 AUD
Retailer 2$588 AUD
Retailer 8$611 AUD
Retailer 5$839 AUD
Retailer 9$864 AUD
Retailer 13$1,089 AUD
Retailer 12$1,101 AUD
Retailer 10$1,157 AUD
Retailer 6$1,262 AUD
Retailer 14$1,288 AUD
MOH London$1,587 AUD

30 data points across 14 retailers

13 retailers$303 AUD to $1,157 AUD

A
Cheapest Retailer
-
$303 AUD
$213 USD
Final sale: no returns
A
Retailer 2
-
$413 AUD
£228 GBP
View
Retailer 3
-
$581 AUD
ZAR 6,589 ZAR
View
Price last confirmed 12 days ago
A
Retailer 4
-
$588 AUD
$413 USD
View
A
Retailer 5
-
$611 AUD
£338 GBP
View
Retailer 6
-
$839 AUD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$864 AUD
$607 USD
View
Retailer 8
-
$1,089 AUD
$765 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,101 AUD
SGD 1,045 SGD
View
B+
Retailer 10
-
$1,157 AUD
$813 USD
View
Retailer 11
-
$1,262 AUD
View
Price last confirmed 29 days ago
Retailer 12
-
$1,288 AUD
$905 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG825616223 · Oct 21
$1,587 AUD
£878 GBP
View
Price last confirmed 9 days ago
12 more retailers have this diamond
Prices start from $303 AUDSave up to $853 AUD

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
$303 AUD