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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 $407 NZD
$229 USD
As of November 1, 2026
Save $3,023 NZD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,430 NZD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $407 to $3,430, a $3,023 spread on the same certified stone. Brilliant Earth lists it at $3,430. 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: Nov 1
Current: $3,430 NZD|Low: $391 NZD|High: $4,106 NZD|Avg: $1,304 NZD|-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
November 2, 2026
Retailer 16$407 NZD
Retailer 8$467 NZD
Retailer 15$473 NZD
Retailer 3$505 NZD
Retailer 7$714 NZD
Retailer 13$851 NZD
Retailer 11$873 NZD
Retailer 9$937 NZD
Retailer 2$945 NZD
Retailer 14$1,233 NZD
Retailer 10$1,493 NZD
Retailer 17$1,624 NZD
Retailer 4$1,630 NZD
Retailer 6$1,868 NZD
Retailer 12$2,025 NZD
Retailer 5$2,288 NZD
Retailer 18$2,630 NZD
Brilliant Earth$3,430 NZD

45 data points across 18 retailers

23 retailers$407 NZD to $3,430 NZD

A
Cheapest Retailer
-
$407 NZD
$229 USD
A
Retailer 2
-
$467 NZD
$263 USD
View
Final sale: no returns
A
Retailer 3
-
$473 NZD
$266 USD
View
A
Retailer 4
-
$505 NZD
$284 USD
View
A
Retailer 5
-
$591 NZD
HK$2,600 HKD
View
A
Retailer 6
-
$714 NZD
$402 USD
View
A
Retailer 7
-
$851 NZD
€456 EUR
View
A
Retailer 8
-
$873 NZD
ZAR 7,931 ZAR
View
A
Retailer 9
-
$937 NZD
$527 USD
View
A
Retailer 10
-
$945 NZD
£419 GBP
View
A
Retailer 11
-
$1,101 NZD
$620 USD
View
A
Retailer 12
-
$1,233 NZD
A$1,067 AUD
View
B+
Retailer 13
-
$1,493 NZD
$840 USD
View
B+
Retailer 14
-
$1,624 NZD
$914 USD
View
B+
Retailer 15
-
$1,630 NZD
$917 USD
View
B+
Retailer 16
-
$1,715 NZD
SGD 1,304 SGD
View
B+
Retailer 17
-
$1,718 NZD
$966 USD
View
B+
Retailer 18
-
$1,847 NZD
$1,039 USD
View
Retailer 19
-
$1,868 NZD
A$1,617 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
$2,025 NZD
£897 GBP
View
B
Retailer 21
-
$2,288 NZD
$1,287 USD
View
B
Retailer 22
-
$2,630 NZD
$1,480 USD
View
Most Expensive
B
Brilliant Earth
17981640A · Oct 31
$3,430 NZD
$1,930 USD
View
22 more retailers have this diamond
Prices start from $407 NZDSave up to $3,023 NZD

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
$407 NZD