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Marquise|Lab Grown|GCAL

0.38ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • GCAL 303000021

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 303000021

Diamond specifications and retailer prices

From $157 AUD
$110 USD
As of October 30, 2026
Save $782 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,797 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.38ct lab-grown marquise diamond

This 0.38ct 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 303000021. Listed at 11 retailers as of October 30, 2026, with a 499% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.38
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 303000021
Dimensions7.43 × 3.78 × 2.34 mm
L/W Ratio1.97
Culet sizeNone
Top View
7.43 mm3.78 mm0.38 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 303000021
Side View
Table 56.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.9%

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: Oct 30
Current: $1,797 AUD|Low: $152 AUD|High: $1,850 AUD|Avg: $547 AUD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11$157 AUD
Retailer 9$181 AUD
Retailer 3$185 AUD
Retailer 5$206 AUD
Retailer 4$292 AUD
Retailer 12$311 AUD
Retailer 6$498 AUD
Retailer 8$498 AUD
Retailer 7$689 AUD
Retailer 2$712 AUD
Retailer 10$939 AUD
MOH London$1,797 AUD

22 data points across 12 retailers

11 retailers$157 AUD to $939 AUD

A
Cheapest Retailer
-
$157 AUD
$110 USD
A
Retailer 2
-
$181 AUD
$127 USD
View
A
Retailer 3
-
$185 AUD
$130 USD
View
A
Retailer 4
-
$206 AUD
$145 USD
View
B+
Retailer 5
-
$311 AUD
CA$304 CAD
View
B
Retailer 6
-
$498 AUD
$350 USD
View
B
Retailer 7
-
$498 AUD
$350 USD
View
B
Retailer 8
-
$689 AUD
$484 USD
View
B
Retailer 9
-
$712 AUD
$500 USD
View
B
Retailer 10
-
$939 AUD
$659 USD
View
Most Expensive
MOH London
303000021 · Oct 29
$1,797 AUD
£994 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $157 AUDSave up to $782 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
0.38ct Marquise
$157 AUD