CaratHunter
Plans
Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG836665002

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

Certificate IGI LG836665002

Diamond specifications and retailer prices

From $278 AUD
$195 USD
As of October 30, 2026
Save $1,459 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,737 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG836665002 or 836665002. Listed at 19 retailers as of October 26, 2026, with prices from $278 to $1,737, a $1,459 spread on the same certified stone. Brilliant Earth lists it at $1,737. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665002
Dimensions7.81 × 5.26 × 3.62 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.26 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665002
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.8%

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: $1,737 AUD|Low: $278 AUD|High: $1,737 AUD|Avg: $806 AUD
Brilliant Earth
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
October 30, 2026
Retailer 3$278 AUD
Retailer 4$309 AUD
Retailer 18$322 AUD
Retailer 16$344 AUD
Retailer 17$344 AUD
Retailer 2$432 AUD
Retailer 14$591 AUD
Retailer 5$601 AUD
Retailer 12$628 AUD
Retailer 8$680 AUD
Retailer 19$804 AUD
Retailer 15$839 AUD
Retailer 11$918 AUD
Retailer 10$1,106 AUD
Retailer 7$1,109 AUD
Retailer 9$1,182 AUD
Retailer 13$1,616 AUD
Retailer 6$1,676 AUD
Brilliant Earth$1,737 AUD

10 data points across 19 retailers

19 retailers$278 AUD to $1,737 AUD

A
Cheapest Retailer
-
$278 AUD
$195 USD
A
Retailer 2
-
$309 AUD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$322 AUD
$226 USD
View
A
Retailer 4
-
$344 AUD
$242 USD
View
A
Retailer 5
-
$344 AUD
$242 USD
View
A
Retailer 6
-
$432 AUD
£239 GBP
View
A
Retailer 7
-
$591 AUD
ZAR 6,703 ZAR
View
A
Retailer 8
-
$601 AUD
$422 USD
View
A
Retailer 9
-
$628 AUD
£347 GBP
View
A
Retailer 10
-
$680 AUD
$478 USD
View
B+
Retailer 11
-
$804 AUD
$565 USD
View
B+
Retailer 12
-
$839 AUD
View
Retailer 13
-
$918 AUD
$645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,106 AUD
$777 USD
View
B
Retailer 15
-
$1,109 AUD
$779 USD
View
B
Retailer 16
-
$1,182 AUD
$830 USD
View
B
Retailer 17
-
$1,616 AUD
£894 GBP
View
B
Retailer 18
-
$1,676 AUD
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
$1,737 AUD
$1,220 USD
View
18 more retailers have this diamond
Prices start from $278 AUDSave up to $1,459 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
$278 AUD