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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623868

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623868

Diamond specifications and retailer prices

From $418 AUD
As of November 4, 2026
Save $1,632 AUD (80%) vs most expensive(unlock to see where)
13 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 LG814623868 or 814623868. Listed at 13 retailers as of November 2, 2026, with a 391% 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 angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623868
Dimensions11.58 × 5.67 × 3.51 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.58 mm5.67 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623868
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

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: Nov 4
Current: $3,321 AUD|Low: $418 AUD|High: $3,321 AUD|Avg: $1,275 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 5$418 AUD
Retailer 3$587 AUD
Retailer 2$681 AUD
Retailer 7$691 AUD
Retailer 11$773 AUD
Retailer 6$895 AUD
Retailer 12$1,062 AUD
Retailer 8$1,254 AUD
Retailer 10$1,424 AUD
Retailer 4$1,880 AUD
Retailer 13$1,980 AUD
Retailer 9$2,050 AUD
Do Amore Diamonds$3,321 AUD

9 data points across 13 retailers

13 retailers$418 AUD to $2,050 AUD

A
Cheapest Retailer
-
$418 AUD
Final sale: no returns
A
Retailer 2
-
$587 AUD
View
A
Retailer 3
-
$681 AUD
View
A
Retailer 4
-
$691 AUD
View
B+
Retailer 5
-
$773 AUD
View
B+
Retailer 6
-
$895 AUD
View
Retailer 7
-
$1,062 AUD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,254 AUD
View
B
Retailer 9
-
$1,424 AUD
View
B
Retailer 10
-
$1,880 AUD
View
B
Retailer 11
-
$1,980 AUD
View
B
Retailer 12
-
$2,050 AUD
View
Most Expensive
Do Amore Diamonds
27-3DA76350A · Nov 4
$3,321 AUD
$2,330 USD
View
Price under review
12 more retailers have this diamond
Prices start from $418 AUDSave up to $1,632 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
$418 AUD