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Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG636400604

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

Certificate IGI LG636400604

Diamond specifications and retailer prices

From $258 AUD
$181 USD
As of October 30, 2026
Save $2,219 AUD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,477 AUD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636400604 or 636400604. Listed at 9 retailers as of October 29, 2026, with prices from $258 to $2,477, a $2,219 spread on the same certified stone. Do Amore Diamonds lists it at $2,477. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636400604
Dimensions7.84 × 5.36 × 3.55 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.36 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636400604
Side View
Table 65.0%Crown 41°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.2%

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: $2,477 AUD|Low: $205 AUD|High: $2,477 AUD|Avg: $936 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$258 AUD
Retailer 9$289 AUD
Retailer 2$424 AUD
Retailer 8$565 AUD
Retailer 12$606 AUD
Retailer 11$720 AUD
Retailer 3$746 AUD
Retailer 4$993 AUD
Retailer 6$1,086 AUD
Retailer 10$1,348 AUD
Retailer 5$1,660 AUD
Do Amore Diamonds$2,477 AUD

36 data points across 12 retailers

9 retailers$258 AUD to $2,477 AUD

A
Cheapest Retailer
-
$258 AUD
$181 USD
A
Retailer 2
-
$289 AUD
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$299 AUD
$210 USD
View
A
Retailer 4
-
$424 AUD
£234 GBP
View
A
Retailer 5
-
$565 AUD
$397 USD
View
B
Retailer 6
-
$1,086 AUD
$763 USD
View
B
Retailer 7
-
$1,135 AUD
$797 USD
View
B
Retailer 8
-
$1,660 AUD
£918 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D4191F613 · Oct 29
$2,477 AUD
$1,740 USD
View
8 more retailers have this diamond
Prices start from $258 AUDSave up to $2,219 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
$258 AUD