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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 $173 USD
As of October 30, 2026
Save $517 USD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $690 USD 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 30, 2026, with prices from $173 to $690, a $517 spread on the same certified stone. NZ Jewellers lists it at $690. 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
Color
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: Oct 30
Current: $690 USD|Low: $166 USD|High: $690 USD|Avg: $318 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$173 USD
Retailer 5$201 USD
Retailer 3$214 USD
Retailer 4$382 USD
NZ Jewellers$690 USD

6 data points across 5 retailers

5 retailers$173 USD to $690 USD

B+
Cheapest Retailer
-
$173 USD
B
Retailer 2
-
$201 USD
View
B
Retailer 3
-
$214 USD
View
B
Retailer 4
-
$382 USD
View
Most Expensive
C
NZ Jewellers
95a08419-8aca-4a52-a72a-6b672f12d835 · Oct 31
$690 USD
View
4 more retailers have this diamond
Prices start from $173 USDSave up to $517 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.

B+
0.30ct Marquise
$173 USD