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Emerald|Lab Grown|IGI

3.18ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG680543138

Shape and cutting style on the report: Emerald cut

Certificate IGI LG680543138

Diamond specifications and retailer prices

From €1,330 EUR
$1,486 USD
As of October 30, 2026
Save €9,742 EUR (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €11,072 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.18ct lab-grown emerald diamond

This 3.18ct lab-grown emerald sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG680543138 or 680543138. Listed at 17 retailers as of October 30, 2026, with prices from €1,330 to €11,072, a €9,742 spread on the same certified stone. Brilliant Earth lists it at €11,072. 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

3.18
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680543138
Dimensions9.74 × 6.90 × 4.73 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.74 mm6.90 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680543138
Side View
Table 64.0%Crown 41.5°Girdle: MED-STKPavilion 38.8°Culet: LargeDepth 68.6%

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 30
Current: €10,025 EUR|Low: €1,277 EUR|High: €11,269 EUR|Avg: €3,636 EUR|-11.0%
Brilliant Earth
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
Retailer 16
Retailer 17
October 26, 2026
Retailer 12€1,330 EUR
Retailer 16€1,490 EUR
Retailer 13€1,543 EUR
Retailer 15€1,543 EUR
Retailer 11€1,584 EUR
Retailer 7€1,707 EUR
Retailer 6€1,769 EUR
Retailer 2€2,169 EUR
Retailer 17€2,247 EUR
Retailer 5€2,509 EUR
Retailer 3€2,801 EUR
Retailer 9€2,859 EUR
Retailer 14€4,159 EUR
Retailer 10€5,013 EUR
Retailer 8€5,990 EUR
Retailer 4€9,157 EUR
Brilliant Earth€10,025 EUR

17 data points across 17 retailers

17 retailers€1,330 EUR to €11,072 EUR

Retailer 1
-
€1,330 EUR
$1,486 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€1,330 EUR
$1,486 USD
View
Retailer 3
-
€1,447 EUR
$1,617 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
€1,490 EUR
$1,665 USD
View
Final sale: no returns
Retailer 5
-
€1,543 EUR
$1,724 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€1,543 EUR
$1,724 USD
View
Price last confirmed 20 days ago
Retailer 7
-
€1,543 EUR
$1,724 USD
View
Price last confirmed 11 days ago
Retailer 8
-
€1,543 EUR
$1,724 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
€1,584 EUR
$1,770 USD
View
A
Retailer 10
-
€2,169 EUR
$2,423 USD
View
A
Retailer 11
-
€2,247 EUR
$2,510 USD
View
A
Retailer 12
-
€2,801 EUR
$3,129 USD
View
B+
Retailer 13
-
€4,159 EUR
$4,647 USD
View
Retailer 14
-
€5,013 EUR
$5,600 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
€9,157 EUR
$10,230 USD
View
Retailer 16
-
€10,025 EUR
$11,200 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
20126695A · Oct 31
€11,072 EUR
$12,370 USD
View
16 more retailers have this diamond
Prices start from €1,330 EURSave up to €9,742 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
3.18ct Emerald
€1,330 EUR