Emerald|Lab Grown|IGI

3.18ct E IF Emerald Lab Grown Diamond

VG • E/IF • IGI LG823666861

Certificate IGI LG823666861

Diamond specifications and retailer prices

From $1,458 USD
Save $6,912 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,370 USD at Brilliant Earth
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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG823666861 or 823666861. Listed at 9 retailers, with prices from $1,458 to $8,370 at Brilliant Earth, a $6,912 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18
Carat
E
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823666861
Dimensions10.68 × 6.69 × 4.23 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.68 mm6.69 mm3.18 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823666861
Side View
Table 65.0%Crown 38.6°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 63.2%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $3,169 USD|Low: $1,458 USD|High: $3,862 USD|Avg: $2,649 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 29, 2026
Retailer 5$1,458 USD
Retailer 2$1,589 USD
Retailer 8$2,473 USD
Retailer 4$2,804 USD
Retailer 1$3,169 USD
Retailer 6$3,420 USD
Retailer 7$3,533 USD
Retailer 3$3,862 USD

18 data points across 8 retailers

9 retailers$1,458 USD to $8,370 USD

B+
Cheapest Retailer
-
$1,458 USD
B+
Retailer 2
-
$1,588 USD
£1,250 GBP
View
B+
Retailer 3
-
$2,473 USD
ZAR 39,944 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$2,804 USD
£2,208 GBP
View
B+
Retailer 5
-
$3,169 USD
View
B+
Retailer 6
-
$3,420 USD
SGD 4,621 SGD
View
B+
Retailer 7
-
$3,533 USD
View
B+
Retailer 8
-
$3,862 USD
£3,041 GBP
View
Most Expensive
C
Brilliant Earth
21319729A · Oct 1
$8,370 USD
View
8 more retailers have this diamond
Prices start from $1,458 USDSave up to $6,912 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.

B+
3.18ct Emerald
$1,458 USD