Marquise|Lab Grown|IGI

3.01ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG850607412

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850607412

Diamond specifications and retailer prices

From $382 USD
As of October 30, 2026
Save $3,049 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,431 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850607412 or 850607412. Listed at 18 retailers as of October 30, 2026, with prices from $382 to $3,431, a $3,049 spread on the same certified stone. Helzberg Diamonds lists it at $3,431. 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

3.01
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850607412
Dimensions14.90 × 7.48 × 4.78 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.90 mm7.48 mm3.01 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850607412
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.9%

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: Oct 30
Current: $3,431 USD|Low: $382 USD|High: $3,431 USD|Avg: $1,216 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 12$382 USD
Retailer 15$474 USD
Retailer 4$525 USD
Retailer 13$529 USD
Retailer 16$625 USD
Retailer 9$635 USD
Retailer 2$850 USD
Retailer 18$853 USD
Retailer 3$997 USD
Retailer 14$1,015 USD
Retailer 6$1,028 USD
Retailer 11$1,328 USD
Retailer 5$1,522 USD
Retailer 10$1,536 USD
Retailer 8$1,560 USD
Retailer 7$1,774 USD
Retailer 17$1,861 USD
Helzberg Diamonds$3,431 USD

4 data points across 18 retailers

18 retailers$382 USD to $3,431 USD

A
Cheapest Retailer
-
$382 USD
A
Retailer 2
-
$474 USD
View
A
Retailer 3
-
$525 USD
HK$4,100 HKD
View
A
Retailer 4
-
$529 USD
£416 GBP
View
A
Retailer 5
-
$625 USD
View
B+
Retailer 6
-
$635 USD
View
A
Retailer 7
-
$850 USD
£669 GBP
View
A
Retailer 8
-
$853 USD
View
A
Retailer 9
-
$997 USD
A$1,534 AUD
View
A
Retailer 10
-
$1,015 USD
View
A
Retailer 11
-
$1,028 USD
ZAR 16,608 ZAR
View
B+
Retailer 12
-
$1,328 USD
View
B+
Retailer 13
-
$1,522 USD
View
B+
Retailer 14
-
$1,536 USD
SGD 2,075 SGD
View
B+
Retailer 15
-
$1,560 USD
View
B+
Retailer 16
-
$1,774 USD
View
B+
Retailer 17
-
$1,861 USD
£1,465 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOLGMGNKHI · Oct 30
$3,431 USD
View
17 more retailers have this diamond
Prices start from $382 USDSave up to $3,049 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
3.01ct Marquise
$382 USD