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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623842

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623842

Diamond specifications and retailer prices

From $403 AUD
As of November 4, 2026
Save $2,804 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,207 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814623842 or 814623842. Listed at 13 retailers as of November 4, 2026, with prices from $403 to $3,207, a $2,804 spread on the same certified stone. Do Amore Diamonds lists it at $3,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623842
Dimensions11.16 × 5.66 × 3.48 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.66 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623842
Side View
Table 60.0%Crown 34.1°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,207 AUD|Low: $403 AUD|High: $3,207 AUD|Avg: $1,231 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$403 AUD
Retailer 3$547 AUD
Retailer 2$657 AUD
Retailer 13$677 AUD
Retailer 10$747 AUD
Retailer 6$861 AUD
Retailer 11$1,055 AUD
Retailer 7$1,212 AUD
Retailer 9$1,374 AUD
Retailer 4$1,825 AUD
Retailer 12$1,939 AUD
Retailer 8$1,979 AUD
Do Amore Diamonds$3,207 AUD

9 data points across 13 retailers

13 retailers$403 AUD to $3,207 AUD

A
Cheapest Retailer
-
$403 AUD
Final sale: no returns
A
Retailer 2
-
$547 AUD
View
A
Retailer 3
-
$657 AUD
View
A
Retailer 4
-
$677 AUD
View
A
Retailer 5
-
$747 AUD
View
B+
Retailer 6
-
$861 AUD
View
Retailer 7
-
$1,055 AUD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,212 AUD
View
B
Retailer 9
-
$1,374 AUD
View
B
Retailer 10
-
$1,825 AUD
View
B
Retailer 11
-
$1,939 AUD
View
B
Retailer 12
-
$1,979 AUD
View
Most Expensive
B
Do Amore Diamonds
27-7389A6E4E · Nov 4
$3,207 AUD
$2,250 USD
View
12 more retailers have this diamond
Prices start from $403 AUDSave up to $2,804 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
1.23ct Marquise
$403 AUD