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 $195 NZD
$110 USD
As of November 2, 2026
Save $975 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,240 NZD 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 31, 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: Nov 2
Current: $2,240 NZD|Low: $190 NZD|High: $2,305 NZD|Avg: $681 NZD|-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$195 NZD
Retailer 9$225 NZD
Retailer 3$231 NZD
Retailer 5$257 NZD
Retailer 4$364 NZD
Retailer 12$388 NZD
Retailer 6$621 NZD
Retailer 8$621 NZD
Retailer 7$859 NZD
Retailer 2$887 NZD
Retailer 10$1,170 NZD
MOH London$2,240 NZD

22 data points across 12 retailers

11 retailers$195 NZD to $1,170 NZD

A
Cheapest Retailer
-
$195 NZD
$110 USD
A
Retailer 2
-
$225 NZD
$127 USD
View
A
Retailer 3
-
$231 NZD
$130 USD
View
A
Retailer 4
-
$257 NZD
$145 USD
View
B+
Retailer 5
-
$388 NZD
CA$304 CAD
View
B
Retailer 6
-
$621 NZD
$350 USD
View
B
Retailer 7
-
$621 NZD
$350 USD
View
B
Retailer 8
-
$859 NZD
$484 USD
View
B
Retailer 9
-
$887 NZD
$500 USD
View
B
Retailer 10
-
$1,170 NZD
$659 USD
View
Most Expensive
MOH London
303000021 · Oct 29
$2,240 NZD
£994 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $195 NZDSave up to $975 NZD

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
$195 NZD