Emerald|Lab Grown|IGI

3.10ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG685544019

Shape and cutting style on the report: Emerald cut

Certificate IGI LG685544019

Diamond specifications and retailer prices

From $1,256 USD
CA$1,744 CAD
As of October 30, 2026
Save $406 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,662 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.1ct lab-grown emerald diamond

This 3.1ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685544019 or 685544019. Listed at 2 retailers as of October 30, 2026, with prices from $1,256 to $1,662, a $406 spread on the same certified stone. The Diamond Guys lists it at $1,662. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.10
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685544019
Dimensions9.74 × 7.10 × 4.63 mm
L/W Ratio1.37
Culet sizeLarge
Top View
9.74 mm7.10 mm3.10 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685544019
Side View
Table 63.0%Crown 33.8°Girdle: MediumPavilion 39.8°Culet: LargeDepth 65.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $757 USD|Low: $251 USD|High: $3,090 USD|Avg: $1,298 USD|-16.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
August 3, 2026
Retailer 2$672 USD
Retailer 1$757 USD
Retailer 6$822 USD
Retailer 9$847 USD
Retailer 5$1,008 USD
Retailer 3$1,256 USD
Retailer 4$1,346 USD
The Diamond Guys$1,662 USD
Retailer 7$2,570 USD
Retailer 10$2,790 USD
Retailer 8$2,806 USD

66 data points across 11 retailers

2 retailers$1,256 USD to $1,662 USD

B+
Cheapest Retailer
-
$1,256 USD
CA$1,744 CAD
Most Expensive
B
The Diamond Guys
1954436971 · Oct 30
$1,662 USD
View
1 more retailer has this diamond
Prices start from $1,256 USDSave up to $406 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 Emerald
$1,256 USD