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Marquise|Lab Grown|GCAL

0.40ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • GCAL 310080020

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 310080020

Diamond specifications and retailer prices

From $161 USD
As of November 1, 2026
Save $551 USD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $712 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GCAL 310080020. Listed at 10 retailers as of October 31, 2026, with prices from $161 to $712, a $551 spread on the same certified stone. Taylor and Hart lists it at $712. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 310080020
Dimensions7.74 × 3.86 × 2.33 mm
L/W Ratio2.01
Culet sizeNone
Top View
7.74 mm3.86 mm0.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 310080020
Side View
Table 57.0%Crown 32.7°Girdle: ThickPavilion 40.3°Culet: NoneDepth 60.4%

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 1
Current: $161 USD|Low: $161 USD|High: $1,436 USD|Avg: $451 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 1$161 USD
Retailer 11$177 USD
Retailer 8$185 USD
Retailer 2$203 USD
Retailer 3$265 USD
Retailer 10$344 USD
Retailer 6$400 USD
Retailer 7$400 USD
Retailer 5$510 USD
Retailer 4$537 USD
Taylor and Hart$712 USD
Retailer 9$1,402 USD

21 data points across 12 retailers

10 retailers$161 USD to $712 USD

A
Cheapest Retailer
-
$161 USD
A
Retailer 2
-
$177 USD
View
A
Retailer 3
-
$185 USD
View
B+
Retailer 4
-
$344 USD
CA$477 CAD
View
B
Retailer 5
-
$400 USD
View
B
Retailer 6
-
$400 USD
View
B
Retailer 7
-
$510 USD
View
B
Retailer 8
-
$537 USD
View
Most Expensive
B
Taylor and Hart
CJNSVP5 · Oct 31
$712 USD
View
8 more retailers have this diamond
Prices start from $161 USDSave up to $551 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
0.40ct Marquise
$161 USD