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Round|Lab Grown|IGI

1.28ct E FL Round Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From $1,047 NZD
$588 USD
As of October 29, 2026
Save $2,938 NZD (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,985 NZD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 29, 2026, with prices from $1,047 to $3,985, a $2,938 spread on the same certified stone. Helzberg Diamonds lists it at $3,985. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.93 × 6.98 mm
L/W Ratio1.01
Top View
6.93 mm6.98 mm1.28 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,985 NZD|Low: $1,047 NZD|High: $4,396 NZD|Avg: $2,789 NZD|-9.4%
Helzberg Diamonds
Retailer 2
October 10, 2026
Retailer 2$1,047 NZD
Helzberg Diamonds$3,985 NZD

4 data points across 2 retailers

2 retailers$1,047 NZD to $3,985 NZD

A
Cheapest Retailer
-
$1,047 NZD
$588 USD
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPPKP · Oct 29
$3,985 NZD
$2,238 USD
View
1 more retailer has this diamond
Prices start from $1,047 NZDSave up to $2,938 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
$1,047 NZD