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Marquise|Lab Grown|UNKNOWN

0.50ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • UNKNOWN 16952693

Certificate UNKNOWN 16952693

Diamond specifications and retailer prices

From $245 AUD
$172 USD
As of November 2, 2026
Save $731 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $976 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.5ct lab-grown marquise diamond

This 0.5ct 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 and certified by UNKNOWN 16952693. Listed at 5 retailers as of October 31, 2026, with prices from $245 to $976, a $731 spread on the same certified stone. NZ Jewellers lists it at $976. 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

0.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 16952693
Dimensions7.95 × 4.14 × 2.66 mm
L/W Ratio1.92
Top View
7.95 mm4.14 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 16952693
Side View
Table 58.3%CrownGirdlePavilionCuletDepth 64.3%

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: $976 AUD|Low: $235 AUD|High: $976 AUD|Avg: $451 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$245 AUD
Retailer 5$284 AUD
Retailer 3$304 AUD
Retailer 4$541 AUD
NZ Jewellers$976 AUD

6 data points across 5 retailers

5 retailers$245 AUD to $976 AUD

B+
Cheapest Retailer
-
$245 AUD
$172 USD
B+
Retailer 2
-
$284 AUD
$199 USD
View
B+
Retailer 3
-
$304 AUD
$213 USD
View
B
Retailer 4
-
$541 AUD
$379 USD
View
Most Expensive
C
NZ Jewellers
230360f7-9046-4368-8704-9c720df458cd · Oct 31
$976 AUD
$684 USD
View
4 more retailers have this diamond
Prices start from $245 AUDSave up to $731 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+
0.50ct Marquise
$245 AUD