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Marquise|Lab Grown|IGI

3.10ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG735597386

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG735597386

Diamond specifications and retailer prices

From $1,599 USD
CA$2,220 CAD
As of October 30, 2026
Save $707 USD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,306 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG735597386 or 735597386. Listed at 2 retailers as of October 30, 2026, with prices from $1,599 to $2,306, a $707 spread on the same certified stone. The Diamond Guys lists it at $2,306. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735597386
Dimensions15.01 × 7.55 × 4.82 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Top View
15.01 mm7.55 mm3.10 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735597386
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,710 USD|Low: $564 USD|High: $6,530 USD|Avg: $2,063 USD|-19.6%
Retailer 1
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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
The Diamond Guys
August 3, 2026
Retailer 6$564 USD
Retailer 8$721 USD
Retailer 5$845 USD
Retailer 13$987 USD
Retailer 4$1,007 USD
Retailer 3$1,117 USD
Retailer 15$1,329 USD
Retailer 7$1,570 USD
Retailer 11$1,599 USD
Retailer 2$1,994 USD
Retailer 16$2,109 USD
Retailer 10$2,201 USD
The Diamond Guys$2,306 USD
Retailer 14$3,730 USD
Retailer 9$4,128 USD
Retailer 1$4,710 USD
Retailer 12$6,530 USD

58 data points across 17 retailers

2 retailers$1,599 USD to $2,306 USD

B+
Cheapest Retailer
-
$1,599 USD
CA$2,220 CAD
Most Expensive
B
The Diamond Guys
1951071572 · Nov 1
$2,306 USD
View
1 more retailer has this diamond
Prices start from $1,599 USDSave up to $707 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.

B+
3.10ct Marquise
$1,599 USD