Marquise|Lab Grown|IGI

1.03ct F FL Marquise Lab Grown Diamond

EX • F/FL

Diamond specifications and retailer prices

From $199 USD
As of November 2, 2026
Save $1,091 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,290 USD 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 $199 to $1,290, a $1,091 spread on the same certified stone. Blue Nile lists it at $1,290. 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
Color
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
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Price History

Last verified: Nov 2
Current: $1,290 USD|Low: $199 USD|High: $1,966 USD|Avg: $886 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$199 USD
Retailer 5$230 USD
Retailer 2$484 USD
Retailer 4$874 USD
Blue Nile$1,290 USD
Retailer 6$1,966 USD

6 data points across 6 retailers

5 retailers$199 USD to $1,290 USD

A
Cheapest Retailer
-
$199 USD
A
Retailer 2
-
$230 USD
View
A
Retailer 3
-
$484 USD
View
B
Retailer 4
-
$874 USD
View
Most Expensive
B
Blue Nile
30352922 · Oct 31
$1,290 USD
View
4 more retailers have this diamond
Prices start from $199 USDSave up to $1,091 USD

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
$199 USD