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Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG823617965

Certificate IGI LG823617965

Diamond specifications and retailer prices

From $1,042 AUD
$730 USD
As of October 31, 2026
Save $828 AUD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,869 AUD at Jared · As of October 30, 2026
View at Jared

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 LG823617965 or 823617965. Listed at 4 retailers as of October 30, 2026, with prices from $1,042 to $1,869, a $828 spread on the same certified stone. Jared lists it at $1,869. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG823617965
Dimensions10.77 × 5.70 × 3.61 mm
L/W Ratio1.89
Top View
10.77 mm5.70 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823617965
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,869 AUD|Low: $1,042 AUD|High: $1,869 AUD|Avg: $1,404 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 3$1,042 AUD
Retailer 2$1,455 AUD
Retailer 4$1,455 AUD
Jared$1,869 AUD

3 data points across 4 retailers

4 retailers$1,042 AUD to $1,869 AUD

B+
Cheapest Retailer
-
$1,042 AUD
$730 USD
B
Retailer 2
-
$1,455 AUD
$1,020 USD
View
B
Retailer 3
-
$1,455 AUD
$1,020 USD
View
Most Expensive
B
Jared
159839030 · Oct 30
$1,869 AUD
$1,310 USD
View
3 more retailers have this diamond
Prices start from $1,042 AUDSave up to $828 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.

B+
1.28ct Marquise
$1,042 AUD