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Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG843612889

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843612889

Diamond specifications and retailer prices

From $330 AUD
$231 USD
As of October 30, 2026
Save $1,953 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,283 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise 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 LG843612889 or 843612889. Listed at 11 retailers as of October 30, 2026, with prices from $330 to $2,283, a $1,953 spread on the same certified stone. Do Amore Diamonds lists it at $2,283. 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 angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843612889
Dimensions11.21 × 5.60 × 3.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm5.60 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843612889
Side View
Table 59.0%Crown 34.4°Girdle: THN-MEDPavilion 40.9°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: $2,283 AUD|Low: $330 AUD|High: $2,283 AUD|Avg: $1,062 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$330 AUD
Retailer 3$494 AUD
Retailer 6$509 AUD
Retailer 7$535 AUD
Retailer 2$751 AUD
Retailer 11$899 AUD
Retailer 4$1,184 AUD
Retailer 10$1,547 AUD
Retailer 8$1,633 AUD
Retailer 5$1,737 AUD
Do Amore Diamonds$2,283 AUD

4 data points across 11 retailers

11 retailers$330 AUD to $2,283 AUD

A
Cheapest Retailer
-
$330 AUD
$231 USD
Final sale: no returns
B+
Retailer 2
-
$494 AUD
$346 USD
View
A
Retailer 3
-
$509 AUD
£281 GBP
View
A
Retailer 4
-
$535 AUD
$375 USD
View
A
Retailer 5
-
$751 AUD
£414 GBP
View
B+
Retailer 6
-
$899 AUD
$630 USD
View
B
Retailer 7
-
$1,184 AUD
$830 USD
View
B
Retailer 8
-
$1,547 AUD
$1,084 USD
View
B
Retailer 9
-
$1,633 AUD
£901 GBP
View
B
Retailer 10
-
$1,737 AUD
$1,217 USD
View
Most Expensive
B
Do Amore Diamonds
36-2097329 · Oct 31
$2,283 AUD
$1,600 USD
View
10 more retailers have this diamond
Prices start from $330 AUDSave up to $1,953 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 Marquise
$330 AUD