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Emerald|Lab Grown|IGI

2.51ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG783639750

Shape and cutting style on the report: Emerald cut

Certificate IGI LG783639750

Diamond specifications and retailer prices

From $989 AUD
$695 USD
As of October 30, 2026
Save $8,591 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,581 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783639750 or 783639750. Listed at 24 retailers as of October 26, 2026, with prices from $989 to $9,581, a $8,591 spread on the same certified stone. Brilliant Earth lists it at $9,581. 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

2.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783639750
Dimensions9.36 × 6.08 × 4.06 mm
L/W Ratio1.54
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm6.08 mm2.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783639750
Side View
Table 62.0%Crown 37.9°Girdle: STK-THKPavilion 38.4°Culet: LargeDepth 66.8%

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: $9,581 AUD|Low: $950 AUD|High: $9,581 AUD|Avg: $2,842 AUD|+8.5%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 17$989 AUD
Retailer 8$1,076 AUD
Retailer 4$1,106 AUD
Retailer 15$1,147 AUD
Retailer 19$1,147 AUD
Retailer 18$1,402 AUD
Retailer 21$1,654 AUD
Retailer 16$1,838 AUD
Retailer 5$1,866 AUD
Retailer 10$2,006 AUD
Retailer 2$2,724 AUD
Retailer 13$2,826 AUD
Retailer 11$2,832 AUD
Retailer 6$3,226 AUD
Retailer 12$3,450 AUD
Retailer 3$3,568 AUD
Retailer 22$3,913 AUD
Retailer 7$3,947 AUD
Retailer 9$3,956 AUD
Retailer 14$4,448 AUD
Retailer 20$4,529 AUD
Brilliant Earth$9,581 AUD

30 data points across 22 retailers

24 retailers$989 AUD to $9,581 AUD

A
Cheapest Retailer
-
$989 AUD
$695 USD
A
Retailer 2
-
$1,076 AUD
$756 USD
View
A
Retailer 3
-
$1,106 AUD
$777 USD
View
Final sale: no returns
Retailer 4
-
$1,110 AUD
$780 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,147 AUD
$806 USD
View
Retailer 6
-
$1,147 AUD
$806 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,402 AUD
$985 USD
View
A
Retailer 8
-
$1,654 AUD
$1,162 USD
View
A
Retailer 9
-
$1,838 AUD
£1,017 GBP
View
A
Retailer 10
-
$1,866 AUD
$1,311 USD
View
A
Retailer 11
-
$2,006 AUD
€1,342 EUR
View
A
Retailer 12
-
$2,724 AUD
View
A
Retailer 13
-
$2,826 AUD
$1,985 USD
View
Retailer 14
-
$2,832 AUD
ZAR 32,134 ZAR
View
Price last confirmed 11 days ago
A
Retailer 15
-
$3,226 AUD
$2,266 USD
View
Retailer 16
-
$3,450 AUD
£1,908 GBP
View
Price last confirmed 9 days ago
A
Retailer 17
-
$3,568 AUD
$2,506 USD
View
A
Retailer 18
-
$3,587 AUD
$2,520 USD
View
A
Retailer 19
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$3,913 AUD
$2,749 USD
View
B+
Retailer 20
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$3,947 AUD
$2,773 USD
View
B+
Retailer 21
-
$3,956 AUD
$2,779 USD
View
Retailer 22
-
$4,448 AUD
View
Price last confirmed 22 days ago
B+
Retailer 23
-
$4,529 AUD
£2,505 GBP
View
Most Expensive
B
Brilliant Earth
20845324A · Oct 26
$9,581 AUD
$6,730 USD
View
23 more retailers have this diamond
Prices start from $989 AUDSave up to $8,591 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
2.51ct Emerald
$989 AUD