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Emerald|Lab Grown|IGI

3.18ct D IF Emerald Lab Grown Diamond

EX • D/IF • IGI LG786648233

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786648233

Diamond specifications and retailer prices

From $2,537 AUD
$1,782 USD
As of October 30, 2026
Save $9,820 AUD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,357 AUD at Brilliant Earth · As of October 29, 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 LG786648233 or 786648233. Listed at 13 retailers as of October 29, 2026, with prices from $2,537 to $12,357, a $9,820 spread on the same certified stone. Brilliant Earth lists it at $12,357. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648233
Dimensions10.16 × 6.91 × 4.52 mm
L/W Ratio1.47
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
10.16 mm6.91 mm3.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648233
Side View
Table 63.0%Crown 34.1°Girdle: MediumPavilion 41.3°Culet: LargeDepth 65.4%

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: $3,232 AUD|Low: $2,537 AUD|High: $9,629 AUD|Avg: $5,684 AUD|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11$2,537 AUD
Retailer 1$3,232 AUD
Retailer 2$3,314 AUD
Retailer 12$3,509 AUD
Retailer 7$3,855 AUD
Retailer 5$5,364 AUD
Retailer 8$6,005 AUD
Retailer 6$6,632 AUD
Retailer 10$8,015 AUD
Retailer 4$8,015 AUD
Retailer 9$8,188 AUD
Retailer 3$9,609 AUD

43 data points across 12 retailers

13 retailers$2,537 AUD to $12,357 AUD

A
Cheapest Retailer
-
$2,537 AUD
$1,782 USD
A
Retailer 2
-
$3,232 AUD
£1,788 GBP
View
A
Retailer 3
-
$3,314 AUD
$2,328 USD
View
A
Retailer 4
-
$3,509 AUD
$2,465 USD
View
A
Retailer 5
-
$3,855 AUD
$2,708 USD
View
A
Retailer 6
-
$5,364 AUD
ZAR 60,867 ZAR
View
B+
Retailer 7
-
$6,005 AUD
$4,218 USD
View
B+
Retailer 8
-
$6,632 AUD
£3,668 GBP
View
B+
Retailer 9
-
$8,015 AUD
SGD 7,608 SGD
View
Retailer 10
-
$8,015 AUD
$5,630 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
$8,188 AUD
$5,751 USD
View
Retailer 12
-
$9,609 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
22138143Y · Oct 29
$12,357 AUD
$8,680 USD
View
12 more retailers have this diamond
Prices start from $2,537 AUDSave up to $9,820 AUD

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
$2,537 AUD