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Emerald|Lab Grown|IGI

2.56ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG789628731

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789628731

Diamond specifications and retailer prices

From $679 AUD
$477 USD
As of October 30, 2026
Save $4,901 AUD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,580 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.56ct lab-grown emerald diamond

This 2.56ct lab-grown emerald sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789628731 or 789628731. Listed at 15 retailers as of October 29, 2026, with prices from $679 to $5,580, a $4,901 spread on the same certified stone. Brilliant Earth lists it at $5,580. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789628731
Dimensions9.29 × 6.30 × 4.28 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm6.30 mm2.56 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789628731
Side View
Table 70.0%Crown 31.9°Girdle: STK-THKPavilion 37.6°Culet: LargeDepth 67.9%

Caratlytics Score

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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: $5,580 AUD|Low: $652 AUD|High: $6,277 AUD|Avg: $1,936 AUD|-3.0%
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
October 30, 2026
Retailer 11$679 AUD
Retailer 13$759 AUD
Retailer 5$760 AUD
Retailer 4$841 AUD
Retailer 14$841 AUD
Retailer 9$1,039 AUD
Retailer 6$1,236 AUD
Retailer 15$1,312 AUD
Retailer 2$1,396 AUD
Retailer 10$2,262 AUD
Retailer 3$2,704 AUD
Retailer 7$2,746 AUD
Retailer 12$2,956 AUD
Retailer 8$3,107 AUD
Brilliant Earth$5,580 AUD

41 data points across 15 retailers

15 retailers$679 AUD to $5,580 AUD

A
Cheapest Retailer
-
$679 AUD
$477 USD
A
Retailer 2
-
$759 AUD
$533 USD
View
Final sale: no returns
A
Retailer 3
-
$760 AUD
$534 USD
View
Retailer 4
-
$841 AUD
$591 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$841 AUD
$591 USD
View
A
Retailer 6
-
$1,039 AUD
$730 USD
View
B+
Retailer 7
-
$1,236 AUD
$868 USD
View
B+
Retailer 8
-
$1,312 AUD
$922 USD
View
B+
Retailer 9
-
$1,396 AUD
£772 GBP
View
B
Retailer 10
-
$2,262 AUD
$1,589 USD
View
B
Retailer 11
-
$2,704 AUD
$1,900 USD
View
B
Retailer 12
-
$2,746 AUD
$1,929 USD
View
B
Retailer 13
-
$2,956 AUD
$2,076 USD
View
B
Retailer 14
-
$3,107 AUD
£1,719 GBP
View
Most Expensive
B
Brilliant Earth
21067411A · Oct 29
$5,580 AUD
$3,920 USD
View
14 more retailers have this diamond
Prices start from $679 AUDSave up to $4,901 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
2.56ct Emerald
$679 AUD