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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG828684821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828684821

Diamond specifications and retailer prices

From $373 AUD
As of November 4, 2026
Save $1,676 AUD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,321 AUD at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828684821 or 828684821. Listed at 19 retailers as of November 3, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828684821
Dimensions10.81 × 5.79 × 3.67 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm5.79 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828684821
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

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: $3,321 AUD|Low: $373 AUD|High: $3,321 AUD|Avg: $1,195 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 20
Retailer 21
November 4, 2026
Retailer 4$373 AUD
Retailer 11$418 AUD
Retailer 20$433 AUD
Retailer 3$463 AUD
Retailer 7$463 AUD
Retailer 10$587 AUD
Retailer 18$687 AUD
Retailer 16$691 AUD
Retailer 5$773 AUD
Retailer 2$895 AUD
Retailer 8$932 AUD
Retailer 17$1,062 AUD
Retailer 13$1,254 AUD
Retailer 19$1,424 AUD
Retailer 9$1,645 AUD
Retailer 21$1,792 AUD
Retailer 12$1,880 AUD
Retailer 6$1,980 AUD
Retailer 14$2,010 AUD
Retailer 15$2,050 AUD
Do Amore Diamonds$3,321 AUD

25 data points across 21 retailers

19 retailers$373 AUD to $2,050 AUD

A
Cheapest Retailer
-
$373 AUD
A
Retailer 2
-
$418 AUD
View
Final sale: no returns
A
Retailer 3
-
$433 AUD
View
Retailer 4
-
$463 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$463 AUD
View
A
Retailer 6
-
$587 AUD
View
A
Retailer 7
-
$691 AUD
View
A
Retailer 8
-
$773 AUD
View
B+
Retailer 9
-
$895 AUD
View
B+
Retailer 10
-
$932 AUD
View
Retailer 11
-
$1,062 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$1,254 AUD
View
B
Retailer 13
-
$1,424 AUD
View
B
Retailer 14
-
$1,645 AUD
View
B
Retailer 15
-
$1,792 AUD
View
B
Retailer 16
-
$1,880 AUD
View
B
Retailer 17
-
$1,980 AUD
View
B
Retailer 18
-
$2,050 AUD
View
Most Expensive
Do Amore Diamonds
27-DA1C3A00D · Nov 4
$3,321 AUD
$2,330 USD
View
Price under review
18 more retailers have this diamond
Prices start from $373 AUDSave up to $1,676 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
$373 AUD