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Marquise|Lab Grown|UNKNOWN

0.52ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • UNKNOWN 511141132

Certificate UNKNOWN 511141132

Diamond specifications and retailer prices

From $179 AUD
$126 USD
As of October 30, 2026
Save $537 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $716 AUD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 0.52ct lab-grown marquise diamond

This 0.52ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 511141132. Listed at 5 retailers as of October 28, 2026, with prices from $179 to $716, a $537 spread on the same certified stone. NZ Jewellers lists it at $716. 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

0.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 511141132
Dimensions8.62 × 4.14 × 2.62 mm
L/W Ratio2.08
Top View
8.62 mm4.14 mm0.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 511141132
Side View
Table 57.1%CrownGirdlePavilionCuletDepth 63.3%

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: $716 AUD|Low: $172 AUD|High: $716 AUD|Avg: $340 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$179 AUD
Retailer 5$208 AUD
Retailer 3$238 AUD
Retailer 4$426 AUD
NZ Jewellers$716 AUD

6 data points across 5 retailers

5 retailers$179 AUD to $716 AUD

A
Cheapest Retailer
-
$179 AUD
$126 USD
B+
Retailer 2
-
$208 AUD
$146 USD
View
B+
Retailer 3
-
$238 AUD
$167 USD
View
B
Retailer 4
-
$426 AUD
$299 USD
View
Most Expensive
C
NZ Jewellers
5b9d201c-8251-4280-bafd-72c8dbdec897 · Oct 28
$716 AUD
$503 USD
View
4 more retailers have this diamond
Prices start from $179 AUDSave up to $537 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
0.52ct Marquise
$179 AUD