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Marquise|Lab Grown|UNKNOWN

0.30ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • UNKNOWN 310641293

Certificate UNKNOWN 310641293

Diamond specifications and retailer prices

From €154 EUR
$173 USD
As of November 2, 2026
Save €461 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €615 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by UNKNOWN 310641293. Listed at 5 retailers as of October 31, 2026, with prices from €154 to €615, a €461 spread on the same certified stone. NZ Jewellers lists it at €615. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 310641293
Dimensions7.19 × 3.31 × 2.21 mm
L/W Ratio2.17
Top View
7.19 mm3.31 mm0.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateUNKNOWN 310641293
Side View
Table 55.7%CrownGirdlePavilionCuletDepth 66.8%

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: €615 EUR|Low: €148 EUR|High: €615 EUR|Avg: €284 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2€154 EUR
Retailer 5€179 EUR
Retailer 3€191 EUR
Retailer 4€341 EUR
NZ Jewellers€615 EUR

6 data points across 5 retailers

5 retailers€154 EUR to €615 EUR

B+
Cheapest Retailer
-
€154 EUR
$173 USD
B
Retailer 2
-
€179 EUR
$201 USD
View
B
Retailer 3
-
€191 EUR
$214 USD
View
B
Retailer 4
-
€341 EUR
$382 USD
View
Most Expensive
C
NZ Jewellers
95a08419-8aca-4a52-a72a-6b672f12d835 · Oct 31
€615 EUR
$690 USD
View
4 more retailers have this diamond
Prices start from €154 EURSave up to €461 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.

B+
0.30ct Marquise
€154 EUR