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Marquise|Lab Grown|UNKNOWN

0.50ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • UNKNOWN 52712206

Certificate UNKNOWN 52712206

Diamond specifications and retailer prices

From €153 EUR
$172 USD
As of November 2, 2026
Save €456 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €610 EUR 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 52712206. Listed at 5 retailers as of October 31, 2026, with prices from €153 to €610, a €456 spread on the same certified stone. NZ Jewellers lists it at €610. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 52712206
Dimensions7.67 × 4.02 × 2.65 mm
L/W Ratio1.91
Top View
7.67 mm4.02 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 52712206
Side View
Table 58.6%CrownGirdlePavilionCuletDepth 65.9%

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: €610 EUR|Low: €147 EUR|High: €610 EUR|Avg: €282 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2€153 EUR
Retailer 5€177 EUR
Retailer 3€190 EUR
Retailer 4€338 EUR
NZ Jewellers€610 EUR

6 data points across 5 retailers

5 retailers€153 EUR to €610 EUR

A
Cheapest Retailer
-
€153 EUR
$172 USD
B+
Retailer 2
-
€177 EUR
$199 USD
View
B+
Retailer 3
-
€190 EUR
$213 USD
View
B
Retailer 4
-
€338 EUR
$379 USD
View
Most Expensive
C
NZ Jewellers
66877bef-48b3-4d94-aae4-3dd5002c1d29 · Oct 31
€610 EUR
$684 USD
View
4 more retailers have this diamond
Prices start from €153 EURSave up to €456 EUR

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 Marquise
€153 EUR