CaratHunter
Plans
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 $326 AUD
$229 USD
As of October 30, 2026
Save $2,422 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,748 AUD 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 $326 to $2,748, a $2,422 spread on the same certified stone. Brilliant Earth lists it at $2,748. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,748 AUD|Low: $313 AUD|High: $3,289 AUD|Avg: $1,042 AUD|-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 31, 2026
Retailer 16$326 AUD
Retailer 8$374 AUD
Retailer 15$379 AUD
Retailer 3$404 AUD
Retailer 7$572 AUD
Retailer 11$682 AUD
Retailer 13$695 AUD
Retailer 9$750 AUD
Retailer 2$757 AUD
Retailer 14$987 AUD
Retailer 10$1,196 AUD
Retailer 17$1,301 AUD
Retailer 4$1,305 AUD
Retailer 6$1,496 AUD
Retailer 12$1,631 AUD
Retailer 5$1,832 AUD
Retailer 18$2,107 AUD
Brilliant Earth$2,748 AUD

45 data points across 18 retailers

23 retailers$326 AUD to $2,748 AUD

A
Cheapest Retailer
-
$326 AUD
$229 USD
A
Retailer 2
-
$374 AUD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$379 AUD
$266 USD
View
A
Retailer 4
-
$404 AUD
$284 USD
View
A
Retailer 5
-
$474 AUD
HK$2,600 HKD
View
A
Retailer 6
-
$572 AUD
$402 USD
View
A
Retailer 7
-
$682 AUD
€456 EUR
View
A
Retailer 8
-
$695 AUD
ZAR 7,891 ZAR
View
A
Retailer 9
-
$750 AUD
$527 USD
View
A
Retailer 10
-
$757 AUD
£419 GBP
View
A
Retailer 11
-
$882 AUD
$620 USD
View
A
Retailer 12
-
$987 AUD
View
B+
Retailer 13
-
$1,196 AUD
$840 USD
View
B+
Retailer 14
-
$1,301 AUD
$914 USD
View
B+
Retailer 15
-
$1,305 AUD
$917 USD
View
B+
Retailer 16
-
$1,374 AUD
SGD 1,304 SGD
View
B+
Retailer 17
-
$1,376 AUD
$966 USD
View
B+
Retailer 18
-
$1,479 AUD
$1,039 USD
View
Retailer 19
-
$1,496 AUD
View
Price last confirmed 23 days ago
B+
Retailer 20
-
$1,631 AUD
£902 GBP
View
B
Retailer 21
-
$1,832 AUD
$1,287 USD
View
B
Retailer 22
-
$2,107 AUD
$1,480 USD
View
Most Expensive
B
Brilliant Earth
17981640A · Oct 30
$2,748 AUD
$1,930 USD
View
22 more retailers have this diamond
Prices start from $326 AUDSave up to $2,422 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
1.28ct Emerald
$326 AUD