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Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG851681219

Certificate IGI LG851681219

Diamond specifications and retailer prices

From $693 AUD
As of November 1, 2026
Save $1,979 AUD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,671 AUD at With Clarity · As of November 2, 2026
View at With Clarity

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851681219 or 851681219. Listed at 9 retailers as of November 1, 2026, with prices from $693 to $2,671, a $1,979 spread on the same certified stone. With Clarity lists it at $2,671. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851681219
Dimensions15.26 × 7.42 × 4.51 mm
L/W Ratio2.06
Top View
15.26 mm7.42 mm3.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851681219
Side View
Table 67.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 60.8%

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 1
Current: $1,445 AUD|Low: $693 AUD|High: $2,671 AUD|Avg: $1,594 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 2, 2026
Retailer 5$693 AUD
Retailer 8$827 AUD
Retailer 3$1,096 AUD
Retailer 7$1,440 AUD
Retailer 1$1,445 AUD
Retailer 6$1,997 AUD
Retailer 4$2,037 AUD
Retailer 2$2,403 AUD
With Clarity$2,671 AUD

4 data points across 9 retailers

9 retailers$693 AUD to $2,671 AUD

A
Cheapest Retailer
-
$693 AUD
B+
Retailer 2
-
$827 AUD
View
A
Retailer 3
-
$1,096 AUD
View
A
Retailer 4
-
$1,440 AUD
View
A
Retailer 5
-
$1,445 AUD
View
B+
Retailer 6
-
$1,997 AUD
View
B+
Retailer 7
-
$2,037 AUD
View
B+
Retailer 8
-
$2,403 AUD
View
Most Expensive
B
With Clarity
851681219 · Nov 2
$2,671 AUD
$1,874 USD
View
8 more retailers have this diamond
Prices start from $693 AUDSave up to $1,979 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
3.03ct Marquise
$693 AUD