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Marquise|Lab Grown|IGI

1.24ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG854698870

Certificate IGI LG854698870

Diamond specifications and retailer prices

From $296 AUD
As of November 6, 2026
Save $293 AUD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $588 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.24ct lab-grown marquise diamond

This 1.24ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG854698870 or 854698870. Listed at 6 retailers as of November 6, 2026, with prices from $296 to $588, a $293 spread on the same certified stone. 77 Diamonds lists it at $588. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.24
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG854698870
Dimensions11.09 × 5.59 × 3.53 mm
L/W Ratio1.98
Top View
11.09 mm5.59 mm1.24 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG854698870
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCuletDepth 63.1%

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 6
Current: $588 AUD|Low: $296 AUD|High: $588 AUD|Avg: $460 AUD
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$296 AUD
Retailer 3$366 AUD
Retailer 5$390 AUD
Retailer 2$541 AUD
Retailer 6$577 AUD
77 Diamonds$588 AUD

1 data point across 6 retailers

6 retailers$296 AUD to $588 AUD

A
Cheapest Retailer
-
$296 AUD
Final sale: no returns
B
Retailer 2
-
$366 AUD
View
B+
Retailer 3
-
$390 AUD
View
Retailer 4
-
$541 AUD
View
B+
Retailer 5
-
$577 AUD
View
Most Expensive
B+
77 Diamonds
MQPUIFS3S22DSZP · Nov 6
$588 AUD
£324 GBP
View
5 more retailers have this diamond
Prices start from $296 AUDSave up to $293 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
1.24ct Marquise
$296 AUD