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Oval|Lab Grown|UNKNOWN

0.50ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • UNKNOWN 20991155

Certificate UNKNOWN 20991155

Diamond specifications and retailer prices

From $176 AUD
$123 USD
As of November 1, 2026
Save $521 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $696 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.5ct lab-grown oval diamond

This 0.5ct lab-grown oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 20991155. Listed at 5 retailers as of October 31, 2026, with prices from $176 to $696, a $521 spread on the same certified stone. NZ Jewellers lists it at $696. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 20991155
Dimensions6.22 × 4.45 × 2.86 mm
L/W Ratio1.40
Top View
6.22 mm4.45 mm0.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 20991155
Side View
Table 70.8%CrownGirdlePavilionCuletDepth 64.2%

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: $176 AUD|Low: $168 AUD|High: $418 AUD|Avg: $275 AUD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$176 AUD
Retailer 2$231 AUD
Retailer 4$231 AUD
Retailer 3$418 AUD

4 data points across 4 retailers

5 retailers$176 AUD to $696 AUD

A
Cheapest Retailer
-
$176 AUD
$123 USD
B+
Retailer 2
-
$203 AUD
$142 USD
View
B+
Retailer 3
-
$231 AUD
$162 USD
View
B+
Retailer 4
-
$418 AUD
$293 USD
View
Most Expensive
B
NZ Jewellers
f8e87ab1-d015-4a9b-a4f9-f07d6f2daaf5 · Oct 31
$696 AUD
$488 USD
View
4 more retailers have this diamond
Prices start from $176 AUDSave up to $521 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
0.50ct Oval
$176 AUD