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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG774635250

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774635250

Diamond specifications and retailer prices

From €382 EUR
$427 USD
As of November 1, 2026
Save €2,209 EUR (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,155 EUR at Helzberg Diamonds · As of October 8, 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 LG774635250 or 774635250. Listed at 6 retailers as of October 31, 2026, with a 578% 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

3.10
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774635250
Dimensions15.55 × 7.44 × 4.71 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
15.55 mm7.44 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774635250
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.3%

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: €3,155 EUR|Low: €382 EUR|High: €3,155 EUR|Avg: €1,177 EUR
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
October 31, 2026
Retailer 6€382 EUR
Retailer 9€548 EUR
Retailer 3€666 EUR
Retailer 13€685 EUR
Retailer 10€772 EUR
Retailer 4€852 EUR
Retailer 12€951 EUR
Retailer 5€1,088 EUR
Retailer 11€1,350 EUR
Retailer 2€1,399 EUR
Retailer 7€1,947 EUR
Retailer 8€2,592 EUR
Helzberg Diamonds€3,155 EUR

21 data points across 13 retailers

6 retailers€382 EUR to €2,592 EUR

A
Cheapest Retailer
-
€382 EUR
$427 USD
Final sale: no returns
B+
Retailer 2
-
€548 EUR
$612 USD
View
B+
Retailer 3
-
€1,399 EUR
$1,563 USD
View
B+
Retailer 4
-
€1,947 EUR
$2,175 USD
View
B
Retailer 5
-
€2,592 EUR
$2,895 USD
View
Most Expensive
Helzberg Diamonds
ZXZNNKMJLILG · Oct 8
€3,155 EUR
$3,525 USD
View
Price last confirmed 24 days ago
5 more retailers have this diamond
Prices start from €382 EURSave up to €2,209 EUR

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
€382 EUR