Marquise|Lab Grown|IGI

4.09ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1

Diamond specifications and retailer prices

From $780 USD
As of November 2, 2026
Save $2,029 USD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,781 USD at Helzberg Diamonds · As of September 27, 2026
View at Helzberg Diamonds

About this 4.09ct lab-grown marquise diamond

This 4.09ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of November 1, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.09
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.59 × 8.28 × 5.20 mm
L/W Ratio2.00
Top View
16.59 mm8.28 mm4.09 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,781 USD|Low: $780 USD|High: $5,781 USD|Avg: $2,178 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 6$780 USD
Retailer 4$849 USD
Retailer 2$905 USD
Retailer 7$938 USD
Retailer 5$1,319 USD
Retailer 3$2,809 USD
Helzberg Diamonds$5,781 USD

8 data points across 7 retailers

7 retailers$780 USD to $2,809 USD

A
Cheapest Retailer
-
$780 USD
A
Retailer 2
-
$849 USD
View
A
Retailer 3
-
$905 USD
View
Retailer 4
-
$938 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,319 USD
View
B+
Retailer 6
-
$2,809 USD
View
Most Expensive
Helzberg Diamonds
ZXZOHOMLIKGK · Sep 27
$5,781 USD
View
Price last confirmed 36 days ago
6 more retailers have this diamond
Prices start from $780 USDSave up to $2,029 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
4.09ct Marquise
$780 USD