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Emerald|Lab Grown|IGI

1.28ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG811633609

Shape and cutting style on the report: Emerald cut

Certificate IGI LG811633609

Diamond specifications and retailer prices

From $293 AUD
$206 USD
As of October 30, 2026
Save $2,227 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,520 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 LG811633609 or 811633609. Listed at 21 retailers as of October 30, 2026, with prices from $293 to $2,520, a $2,227 spread on the same certified stone. Brilliant Earth lists it at $2,520. 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 angle35.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811633609
Dimensions7.32 × 5.15 × 3.32 mm
L/W Ratio1.42
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
7.32 mm5.15 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811633609
Side View
Table 64.0%Crown 35.5°Girdle: MediumPavilion 39.3°Culet: LargeDepth 64.5%

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: $2,520 AUD|Low: $286 AUD|High: $3,872 AUD|Avg: $953 AUD|-34.9%
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
October 31, 2026
Retailer 17$293 AUD
Retailer 10$330 AUD
Retailer 2$340 AUD
Retailer 6$367 AUD
Retailer 8$367 AUD
Retailer 14$491 AUD
Retailer 19$614 AUD
Retailer 4$630 AUD
Retailer 16$669 AUD
Retailer 13$715 AUD
Retailer 12$883 AUD
Retailer 5$897 AUD
Retailer 7$1,179 AUD
Retailer 9$1,186 AUD
Retailer 18$1,244 AUD
Retailer 3$1,477 AUD
Retailer 15$1,726 AUD
Retailer 11$2,107 AUD
Brilliant Earth$2,520 AUD

36 data points across 19 retailers

21 retailers$293 AUD to $2,520 AUD

A
Cheapest Retailer
-
$293 AUD
$206 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$340 AUD
$239 USD
View
A
Retailer 4
-
$367 AUD
$258 USD
View
A
Retailer 5
-
$367 AUD
$258 USD
View
Retailer 6
-
$419 AUD
HK$2,300 HKD
View
Price last confirmed 57 days ago
B+
Retailer 7
-
$491 AUD
$345 USD
View
A
Retailer 8
-
$614 AUD
€411 EUR
View
A
Retailer 9
-
$630 AUD
ZAR 7,149 ZAR
View
A
Retailer 10
-
$669 AUD
£370 GBP
View
A
Retailer 11
-
$715 AUD
$502 USD
View
A
Retailer 12
-
$883 AUD
$620 USD
View
A
Retailer 13
-
$897 AUD
View
Retailer 14
-
$1,085 AUD
$762 USD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$1,179 AUD
$828 USD
View
B+
Retailer 16
-
$1,186 AUD
$833 USD
View
B+
Retailer 17
-
$1,244 AUD
$874 USD
View
B+
Retailer 18
-
$1,477 AUD
£817 GBP
View
B
Retailer 19
-
$1,726 AUD
$1,212 USD
View
B
Retailer 20
-
$2,107 AUD
$1,480 USD
View
Most Expensive
B
Brilliant Earth
20880290A · Oct 30
$2,520 AUD
$1,770 USD
View
20 more retailers have this diamond
Prices start from $293 AUDSave up to $2,227 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
$293 AUD