Marquise|Lab Grown|IGI

0.42ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG841657980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841657980

Diamond specifications and retailer prices

From $111 USD
As of October 28, 2026
Save $485 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $596 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841657980 or 841657980. Listed at 16 retailers as of October 28, 2026, with prices from $111 to $596, a $485 spread on the same certified stone. Taylor and Hart lists it at $596. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841657980
Dimensions7.83 × 3.84 × 2.39 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm3.84 mm0.42 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841657980
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $222 USD|Low: $90 USD|High: $826 USD|Avg: $269 USD|-11.9%
Retailer 1
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 19
Taylor and Hart
October 29, 2026
Retailer 7$90 USD
Retailer 15$107 USD
Retailer 14$111 USD
Retailer 2$118 USD
Retailer 6$118 USD
Retailer 18$178 USD
Retailer 8$179 USD
Retailer 19$199 USD
Retailer 5$210 USD
Retailer 1$222 USD
Retailer 17$229 USD
Retailer 16$257 USD
Retailer 10$260 USD
Retailer 11$277 USD
Retailer 9$279 USD
Retailer 4$294 USD
Retailer 13$366 USD
Retailer 12$420 USD
Taylor and Hart$596 USD
Retailer 3$826 USD

11 data points across 20 retailers

16 retailers$111 USD to $596 USD

Retailer 1
-
$90 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$111 USD
View
Retailer 3
-
$118 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$118 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$178 USD
View
Retailer 6
-
$179 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$199 USD
ZAR 3,217 ZAR
View
Price last confirmed 19 days ago
A
Retailer 8
-
$222 USD
View
B+
Retailer 9
-
$229 USD
£180 GBP
View
B+
Retailer 10
-
$257 USD
£202 GBP
View
Retailer 11
-
$260 USD
View
Price last confirmed 25 days ago
Retailer 12
-
$277 USD
£218 GBP
View
Price last confirmed 18 days ago
Retailer 13
-
$279 USD
A$429 AUD
View
Price last confirmed 24 days ago
B
Retailer 14
-
$366 USD
View
B
Retailer 15
-
$420 USD
View
Most Expensive
B
Taylor and Hart
CB5CZ4Q · Oct 28
$596 USD
View
15 more retailers have this diamond
Prices start from $111 USDSave up to $485 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
0.42ct Marquise
$111 USD