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Marquise|Lab Grown

0.73ct G SI1 Marquise Lab Grown Diamond

EX • G/SI1 • FA7-130-130

Diamond specifications and retailer prices

From $386 AUD
$271 USD
As of November 2, 2026
Save $1,149 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,535 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.73ct lab-grown marquise diamond

This 0.73ct lab-grown marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of October 31, 2026, with prices from $386 to $1,535, a $1,149 spread on the same certified stone. NZ Jewellers lists it at $1,535. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.73
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateFA7-130-130
Dimensions9.15 × 4.83 × 2.98 mm
L/W Ratio1.89
Top View
9.15 mm4.83 mm0.73 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateFA7-130-130
Side View
Table 61.9%CrownGirdlePavilionCuletDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,535 AUD|Low: $370 AUD|High: $1,535 AUD|Avg: $670 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2$386 AUD
Retailer 4$447 AUD
Retailer 3$477 AUD
NZ Jewellers$1,535 AUD

6 data points across 4 retailers

4 retailers$386 AUD to $1,535 AUD

B+
Cheapest Retailer
-
$386 AUD
$271 USD
B+
Retailer 2
-
$447 AUD
$314 USD
View
B
Retailer 3
-
$477 AUD
$335 USD
View
Most Expensive
C
NZ Jewellers
52e43a30-82d5-4606-9996-ad409f23ffa2 · Oct 31
$1,535 AUD
$1,078 USD
View
3 more retailers have this diamond
Prices start from $386 AUDSave up to $1,149 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.

B+
0.73ct Marquise
$386 AUD