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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845651300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845651300

Diamond specifications and retailer prices

From $344 AUD
As of November 4, 2026
Save $1,428 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,772 AUD at Reve Diamonds · As of November 4, 2026
View at Reve 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845651300 or 845651300. Listed at 12 retailers as of November 4, 2026, with prices from $344 to $1,772, a $1,428 spread on the same certified stone. Reve Diamonds lists it at $1,772. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845651300
Dimensions10.95 × 5.70 × 3.58 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.95 mm5.70 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845651300
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.8%

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: Nov 4
Current: $507 AUD|Low: $344 AUD|High: $1,772 AUD|Avg: $1,015 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 4, 2026
Retailer 5$344 AUD
Retailer 1$507 AUD
Retailer 2$651 AUD
Retailer 10$657 AUD
Retailer 4$698 AUD
Retailer 9$736 AUD
Retailer 7$931 AUD
Retailer 8$1,229 AUD
Retailer 11$1,299 AUD
Retailer 3$1,454 AUD
Retailer 6$1,525 AUD
Reve Diamonds$1,772 AUD

5 data points across 12 retailers

12 retailers$344 AUD to $1,772 AUD

A
Cheapest Retailer
-
$344 AUD
Final sale: no returns
A
Retailer 2
-
$507 AUD
View
A
Retailer 3
-
$651 AUD
View
A
Retailer 4
-
$657 AUD
View
A
Retailer 5
-
$698 AUD
View
A
Retailer 6
-
$736 AUD
View
B+
Retailer 7
-
$931 AUD
View
B
Retailer 8
-
$1,229 AUD
View
B
Retailer 9
-
$1,299 AUD
View
B
Retailer 10
-
$1,454 AUD
View
B
Retailer 11
-
$1,525 AUD
View
Most Expensive
B
Reve Diamonds
CB8C54B6C · Nov 4
$1,772 AUD
$1,243 USD
View
11 more retailers have this diamond
Prices start from $344 AUDSave up to $1,428 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
$344 AUD