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Marquise|Lab Grown|IGI

1.03ct F FL Marquise Lab Grown Diamond

EX • F/FL

Diamond specifications and retailer prices

From $284 AUD
$199 USD
As of November 2, 2026
Save $1,557 AUD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,841 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 31, 2026, with prices from $284 to $1,841, a $1,557 spread on the same certified stone. Blue Nile lists it at $1,841. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.74 × 5.32 × 3.27 mm
L/W Ratio2.02
Top View
10.74 mm5.32 mm1.03 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.5%

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 2
Current: $1,841 AUD|Low: $284 AUD|High: $2,805 AUD|Avg: $1,264 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$284 AUD
Retailer 5$328 AUD
Retailer 2$691 AUD
Retailer 4$1,247 AUD
Blue Nile$1,841 AUD
Retailer 6$2,805 AUD

6 data points across 6 retailers

5 retailers$284 AUD to $1,841 AUD

A
Cheapest Retailer
-
$284 AUD
$199 USD
A
Retailer 2
-
$328 AUD
$230 USD
View
A
Retailer 3
-
$691 AUD
$484 USD
View
B
Retailer 4
-
$1,247 AUD
$874 USD
View
Most Expensive
B
Blue Nile
30352922 · Oct 31
$1,841 AUD
$1,290 USD
View
4 more retailers have this diamond
Prices start from $284 AUDSave up to $1,557 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
1.03ct Marquise
$284 AUD