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Emerald|Lab Grown|IGI

1.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG754594594

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754594594

Diamond specifications and retailer prices

From $229 USD
As of October 30, 2026
Save $1,701 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,930 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594594 or 754594594. Listed at 23 retailers as of October 30, 2026, with prices from $229 to $1,930, a $1,701 spread on the same certified stone. Brilliant Earth lists it at $1,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594594
Dimensions7.42 × 4.98 × 3.38 mm
L/W Ratio1.49
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
7.42 mm4.98 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594594
Side View
Table 63.0%Crown 35.3°Girdle: Slightly ThickPavilion 39°Culet: LargeDepth 67.9%

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: $1,930 USD|Low: $220 USD|High: $2,310 USD|Avg: $731 USD|-16.5%
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
October 30, 2026
Retailer 16$229 USD
Retailer 8$263 USD
Retailer 15$266 USD
Retailer 3$284 USD
Retailer 7$402 USD
Retailer 11$479 USD
Retailer 13$488 USD
Retailer 9$527 USD
Retailer 2$535 USD
Retailer 14$694 USD
Retailer 10$840 USD
Retailer 17$914 USD
Retailer 4$917 USD
Retailer 6$1,051 USD
Retailer 12$1,146 USD
Retailer 5$1,287 USD
Retailer 18$1,480 USD
Brilliant Earth$1,930 USD

45 data points across 18 retailers

23 retailers$229 USD to $1,930 USD

A
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$263 USD
View
Final sale: no returns
A
Retailer 3
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$266 USD
View
A
Retailer 4
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$284 USD
View
A
Retailer 5
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$333 USD
HK$2,600 HKD
View
A
Retailer 6
-
$402 USD
View
A
Retailer 7
-
$479 USD
€456 EUR
View
A
Retailer 8
-
$488 USD
ZAR 7,891 ZAR
View
A
Retailer 9
-
$527 USD
View
A
Retailer 10
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$535 USD
£422 GBP
View
A
Retailer 11
-
$620 USD
View
A
Retailer 12
-
$694 USD
A$1,067 AUD
View
B+
Retailer 13
-
$840 USD
View
B+
Retailer 14
-
$914 USD
View
B+
Retailer 15
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$917 USD
View
B+
Retailer 16
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$965 USD
SGD 1,304 SGD
View
B+
Retailer 17
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$966 USD
View
B+
Retailer 18
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$1,039 USD
View
Retailer 19
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$1,051 USD
A$1,617 AUD
View
Price last confirmed 23 days ago
B+
Retailer 20
-
$1,146 USD
£902 GBP
View
B
Retailer 21
-
$1,287 USD
View
B
Retailer 22
-
$1,480 USD
View
Most Expensive
B
Brilliant Earth
17981640A · Oct 30
$1,930 USD
View
22 more retailers have this diamond
Prices start from $229 USDSave up to $1,701 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.28ct Emerald
$229 USD