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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG774641699

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774641699

Diamond specifications and retailer prices

From $409 USD
As of October 31, 2026
Save $3,116 USD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,525 USD at Helzberg Diamonds · As of October 26, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG774641699 or 774641699. Listed at 5 retailers as of October 26, 2026, with prices from $409 to $3,525, a $3,116 spread on the same certified stone. Helzberg Diamonds lists it at $3,525. 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

3.10
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774641699
Dimensions15.32 × 7.42 × 4.77 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
15.32 mm7.42 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774641699
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.3%

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 31
Current: $3,525 USD|Low: $409 USD|High: $3,525 USD|Avg: $1,473 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
November 1, 2026
Retailer 7$409 USD
Retailer 12$706 USD
Retailer 13$744 USD
Retailer 10$765 USD
Retailer 2$845 USD
Retailer 3$952 USD
Retailer 11$1,063 USD
Retailer 4$1,216 USD
Retailer 9$1,509 USD
Retailer 5$1,854 USD
Retailer 6$2,200 USD
Retailer 8$3,100 USD
Helzberg Diamonds$3,525 USD

40 data points across 13 retailers

5 retailers$409 USD to $3,525 USD

A
Cheapest Retailer
-
$409 USD
Final sale: no returns
A
Retailer 2
-
$845 USD
£665 GBP
View
B
Retailer 3
-
$2,200 USD
View
Retailer 4
-
$3,100 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Helzberg Diamonds
ZXZNNKMKHMPP · Oct 26
$3,525 USD
View
4 more retailers have this diamond
Prices start from $409 USDSave up to $3,116 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
3.10ct Marquise
$409 USD