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Emerald|Lab Grown|IGI

3.12ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG740504681

Certificate IGI LG740504681

Diamond specifications and retailer prices

From $1,088 USD
Save $7,682 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,770 USD at Brilliant Earth
View at Brilliant Earth

About this 3.12ct lab-grown emerald diamond

This 3.12ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG740504681 or 740504681. Listed at 23 retailers, with prices from $1,088 to $8,770 at Brilliant Earth, a $7,682 spread on the same certified stone. 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

3.12
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740504681
Dimensions9.76 × 6.98 × 4.52 mm
L/W Ratio1.40
Culet sizeLong
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
9.76 mm6.98 mm3.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740504681
Side View
Table 64.0%Crown 35.7°Girdle: MediumPavilion 39.1°Culet: LNGDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $8,770 USD|Low: $869 USD|High: $9,450 USD|Avg: $3,195 USD|-7.2%
Brilliant Earth
Retailer 2
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Retailer 22
September 30, 2026
Retailer 18$1,088 USD
Retailer 6$1,218 USD
Retailer 22$1,244 USD
Retailer 17$1,262 USD
Retailer 19$1,375 USD
Retailer 15$1,459 USD
Retailer 2$1,522 USD
Retailer 5$1,805 USD
Retailer 7$1,848 USD
Retailer 3$1,967 USD
Retailer 13$2,365 USD
Retailer 12$2,559 USD
Retailer 9$2,852 USD
Retailer 21$2,852 USD
Retailer 10$3,133 USD
Retailer 8$3,475 USD
Retailer 20$3,930 USD
Retailer 14$4,026 USD
Retailer 4$4,228 USD
Retailer 11$4,409 USD
Retailer 16$5,985 USD
Brilliant Earth$8,770 USD

35 data points across 22 retailers

23 retailers$1,088 USD to $8,770 USD

A
Cheapest Retailer
-
$1,088 USD
A
Retailer 2
-
$1,218 USD
View
A
Retailer 3
-
$1,244 USD
View
A
Retailer 4
-
$1,262 USD
View
A
Retailer 5
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$1,375 USD
View
A
Retailer 6
-
$1,459 USD
HK$11,400 HKD
View
A
Retailer 7
-
$1,522 USD
View
A
Retailer 8
-
$1,805 USD
View
A
Retailer 9
-
$1,848 USD
£1,455 GBP
View
Price last confirmed 12 days ago
A
Retailer 10
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$1,967 USD
€1,873 EUR
View
A
Retailer 11
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$2,365 USD
View
A
Retailer 12
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$2,559 USD
View
A
Retailer 13
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$2,852 USD
ZAR 46,073 ZAR
View
Price last confirmed 18 days ago
A
Retailer 14
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$2,852 USD
A$4,388 AUD
View
A
Retailer 15
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$3,133 USD
View
Price last confirmed 9 days ago
A
Retailer 16
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$3,475 USD
£2,736 GBP
View
Price last confirmed 10 days ago
A
Retailer 17
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$3,930 USD
View
A
Retailer 18
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$4,026 USD
View
B+
Retailer 19
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$4,134 USD
View
B+
Retailer 20
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$4,228 USD
SGD 5,714 SGD
View
B+
Retailer 21
-
$4,409 USD
View
B+
Retailer 22
-
$5,985 USD
View
Most Expensive
B
Brilliant Earth
18890446A · Sep 29
$8,770 USD
View
22 more retailers have this diamond
Prices start from $1,088 USDSave up to $7,682 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.

A
3.12ct Emerald
$1,088 USD