Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG813657649

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

Certificate IGI LG813657649

Diamond specifications and retailer prices

From $317 AUD
$223 USD
As of October 30, 2026
Save $1,342 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,660 AUD at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813657649 or 813657649. Listed at 21 retailers as of October 29, 2026, with prices from $317 to $1,660, a $1,342 spread on the same certified stone. MOH London lists it at $1,660. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813657649
Dimensions7.30 × 5.46 × 3.72 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.46 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813657649
Side View
Table 67.0%Crown 25.6°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,660 AUD|Low: $309 AUD|High: $1,662 AUD|Avg: $849 AUD|+3.5%
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 5$317 AUD
Retailer 10$353 AUD
Retailer 8$606 AUD
Retailer 4$614 AUD
Retailer 13$619 AUD
Retailer 7$647 AUD
Retailer 6$683 AUD
Retailer 14$811 AUD
Retailer 9$862 AUD
Retailer 11$911 AUD
Retailer 12$940 AUD
Retailer 3$1,211 AUD
Retailer 2$1,267 AUD
MOH London$1,660 AUD

41 data points across 14 retailers

21 retailers$317 AUD to $1,660 AUD

Retailer 1
-
$276 AUD
$194 USD
Price last confirmed 30 days ago
Retailer 2
-
$283 AUD
$199 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$317 AUD
$223 USD
View
Final sale: no returns
Retailer 4
-
$320 AUD
$225 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$339 AUD
$238 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$352 AUD
$247 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$352 AUD
$247 USD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$606 AUD
ZAR 6,878 ZAR
View
A
Retailer 9
-
$614 AUD
$431 USD
View
A
Retailer 10
-
$619 AUD
€414 EUR
View
A
Retailer 11
-
$647 AUD
£358 GBP
View
A
Retailer 12
-
$683 AUD
$480 USD
View
B+
Retailer 13
-
$811 AUD
$570 USD
View
B+
Retailer 14
-
$862 AUD
View
B+
Retailer 15
-
$911 AUD
$640 USD
View
Retailer 16
-
$940 AUD
$660 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$1,129 AUD
$793 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$1,135 AUD
$797 USD
View
B
Retailer 19
-
$1,211 AUD
$851 USD
View
B
Retailer 20
-
$1,267 AUD
$890 USD
View
Most Expensive
B
MOH London
LG813657649 · Oct 29
$1,660 AUD
£918 GBP
View
20 more retailers have this diamond
Prices start from $317 AUDSave up to $1,342 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
$317 AUD