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Marquise|Lab Grown|IGI

3.10ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG763666028

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG763666028

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)
5 retailers carry this diamond
Most expensive: $4,635 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG763666028 or 763666028. Listed at 5 retailers as of October 30, 2026, with a 44% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763666028
Dimensions15.23 × 7.69 × 4.74 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
15.23 mm7.69 mm3.10 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763666028
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $4,635 USD|Low: $469 USD|High: $5,104 USD|Avg: $1,920 USD|-9.2%
Rare Carat
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
October 19, 2026
Retailer 2$469 USD
Retailer 8$661 USD
Retailer 12$785 USD
Retailer 13$855 USD
Retailer 11$906 USD
Retailer 3$1,075 USD
Retailer 4$1,178 USD
Retailer 5$1,305 USD
Retailer 7$1,599 USD
Retailer 10$1,718 USD
Retailer 14$1,957 USD
Retailer 6$2,306 USD
Retailer 15$3,650 USD
Retailer 9$4,127 USD
Rare Carat$4,635 USD

11 data points across 15 retailers

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

Retailer 1
-
$661 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$1,599 USD
CA$2,220 CAD
View
Retailer 3
-
$1,718 USD
View
Price last confirmed 15 days ago
B
Retailer 4
-
$2,306 USD
View
Most Expensive
Rare Carat
763666028 · Oct 18
$4,635 USD
View
Price last confirmed 15 days ago
4 more retailers have 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