Marquise|Lab Grown|GCAL

0.34ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • GCAL 311830032

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 311830032

Diamond specifications and retailer prices

From $135 AUD
$95 USD
As of November 1, 2026
Save $1,036 AUD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,172 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.34ct lab-grown marquise diamond

This 0.34ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 311830032. Listed at 10 retailers as of November 1, 2026, with prices from $135 to $1,172, a $1,036 spread on the same certified stone. MOH London lists it at $1,172. 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

0.34
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311830032
Dimensions6.73 × 3.73 × 2.32 mm
L/W Ratio1.80
Culet sizeNone
Top View
6.73 mm3.73 mm0.34 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 311830032
Side View
Table 61.0%Crown 34°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 62.2%

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: $1,172 AUD|Low: $135 AUD|High: $1,217 AUD|Avg: $531 AUD|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$135 AUD
Retailer 4$154 AUD
Retailer 10$182 AUD
Retailer 3$268 AUD
Retailer 11$301 AUD
Retailer 7$456 AUD
Retailer 8$456 AUD
Retailer 5$512 AUD
Retailer 6$712 AUD
Retailer 9$765 AUD
MOH London$1,172 AUD

19 data points across 11 retailers

10 retailers$135 AUD to $1,172 AUD

A
Cheapest Retailer
-
$135 AUD
$95 USD
A
Retailer 2
-
$154 AUD
$108 USD
View
A
Retailer 3
-
$182 AUD
$128 USD
View
B+
Retailer 4
-
$301 AUD
CA$294 CAD
View
B+
Retailer 5
-
$456 AUD
$320 USD
View
B+
Retailer 6
-
$456 AUD
$320 USD
View
B
Retailer 7
-
$512 AUD
$360 USD
View
B
Retailer 8
-
$712 AUD
$500 USD
View
B
Retailer 9
-
$765 AUD
$537 USD
View
Most Expensive
B
MOH London
311830032 · Nov 1
$1,172 AUD
£648 GBP
View
9 more retailers have this diamond
Prices start from $135 AUDSave up to $1,036 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
0.34ct Marquise
$135 AUD