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 $126 USD
As of October 27, 2026
Save $377 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $503 USD 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 27, 2026, with prices from $126 to $503, a $377 spread on the same certified stone. NZ Jewellers lists it at $503. 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
Color
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
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Price History

Last verified: Oct 27
Current: $503 USD|Low: $121 USD|High: $503 USD|Avg: $239 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$126 USD
Retailer 5$146 USD
Retailer 3$167 USD
Retailer 4$299 USD
NZ Jewellers$503 USD

6 data points across 5 retailers

5 retailers$126 USD to $503 USD

A
Cheapest Retailer
-
$126 USD
B+
Retailer 2
-
$146 USD
View
B+
Retailer 3
-
$167 USD
View
B
Retailer 4
-
$299 USD
View
Most Expensive
C
NZ Jewellers
5b9d201c-8251-4280-bafd-72c8dbdec897 · Oct 28
$503 USD
View
4 more retailers have this diamond
Prices start from $126 USDSave up to $377 USD

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
$126 USD