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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG567368239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567368239

Diamond specifications and retailer prices

From $358 NZD
As of November 3, 2026
Save $1,797 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,155 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG567368239 or 567368239. Listed at 17 retailers as of November 1, 2026, with prices from $358 to $2,155, a $1,797 spread on the same certified stone. Rare Carat lists it at $2,155. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567368239
Dimensions6.98 × 6.92 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.98 mm6.92 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567368239
Side View
Table 55.5%Crown 35.4°Girdle: Med.Pavilion 40.4°Culet: NoneDepth 61.9%

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: Nov 3
Current: $2,155 NZD|Low: $358 NZD|High: $2,182 NZD|Avg: $986 NZD|-1.2%
Rare Carat
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
November 5, 2026
Retailer 3$358 NZD
Retailer 15$399 NZD
Retailer 14$415 NZD
Retailer 8$444 NZD
Retailer 9$444 NZD
Retailer 10$713 NZD
Retailer 12$765 NZD
Retailer 5$768 NZD
Retailer 2$804 NZD
Retailer 7$1,015 NZD
Retailer 11$1,080 NZD
Retailer 17$1,251 NZD
Retailer 6$1,425 NZD
Retailer 16$1,430 NZD
Retailer 4$1,519 NZD
Retailer 13$2,072 NZD
Rare Carat$2,155 NZD

38 data points across 17 retailers

17 retailers$358 NZD to $2,155 NZD

A
Cheapest Retailer
-
$358 NZD
A
Retailer 2
-
$399 NZD
View
Final sale: no returns
A
Retailer 3
-
$415 NZD
View
Retailer 4
-
$444 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$444 NZD
View
A
Retailer 6
-
$713 NZD
View
A
Retailer 7
-
$765 NZD
View
A
Retailer 8
-
$768 NZD
View
A
Retailer 9
-
$804 NZD
View
A
Retailer 10
-
$1,015 NZD
View
A
Retailer 11
-
$1,080 NZD
View
A
Retailer 12
-
$1,251 NZD
View
A
Retailer 13
-
$1,425 NZD
View
A
Retailer 14
-
$1,430 NZD
View
B+
Retailer 15
-
$1,519 NZD
View
B
Retailer 16
-
$2,072 NZD
View
Most Expensive
B+
Rare Carat
AL/704-11_l_567368239 · Nov 1
$2,155 NZD
$1,215 USD
View
16 more retailers have this diamond
Prices start from $358 NZDSave up to $1,797 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 Round
$358 NZD