Round|Lab Grown|IGI

1.28ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825665171

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825665171

Diamond specifications and retailer prices

From $481 NZD
$270 USD
As of October 29, 2026
Save $2,778 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,258 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG825665171 or 825665171. Listed at 19 retailers as of October 29, 2026, with prices from $481 to $3,258, a $2,778 spread on the same certified stone. Brilliant Earth lists it at $3,258. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665171
Dimensions6.94 × 6.92 × 4.32 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.94 mm6.92 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665171
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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A+
Exceptional
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 29
Current: $3,258 NZD|Low: $539 NZD|High: $3,258 NZD|Avg: $1,510 NZD
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
October 29, 2026
Retailer 6$539 NZD
Retailer 3$557 NZD
Retailer 11$881 NZD
Retailer 9$982 NZD
Retailer 4$988 NZD
Retailer 10$1,025 NZD
Retailer 2$1,042 NZD
Retailer 5$1,298 NZD
Retailer 15$1,832 NZD
Retailer 14$1,916 NZD
Retailer 7$2,008 NZD
Retailer 13$2,103 NZD
Retailer 8$2,404 NZD
Retailer 12$2,840 NZD
Brilliant Earth$3,258 NZD

39 data points across 15 retailers

19 retailers$481 NZD to $3,258 NZD

A+
Cheapest Retailer
-
$481 NZD
$270 USD
A
Retailer 2
-
$539 NZD
$303 USD
View
Final sale: no returns
A
Retailer 3
-
$557 NZD
$313 USD
View
A
Retailer 4
-
$596 NZD
$335 USD
View
A
Retailer 5
-
$596 NZD
$335 USD
View
A
Retailer 6
-
$881 NZD
$495 USD
View
A
Retailer 7
-
$982 NZD
€525 EUR
View
A
Retailer 8
-
$988 NZD
$555 USD
View
A
Retailer 9
-
$1,025 NZD
ZAR 9,301 ZAR
View
A
Retailer 10
-
$1,042 NZD
£461 GBP
View
A
Retailer 11
-
$1,298 NZD
$729 USD
View
B+
Retailer 12
-
$1,832 NZD
$1,029 USD
View
B+
Retailer 13
-
$1,916 NZD
SGD 1,454 SGD
View
B+
Retailer 14
-
$1,918 NZD
$1,077 USD
View
B+
Retailer 15
-
$2,008 NZD
$1,128 USD
View
B+
Retailer 16
-
$2,103 NZD
$1,181 USD
View
B+
Retailer 17
-
$2,404 NZD
£1,063 GBP
View
B+
Retailer 18
-
$2,840 NZD
$1,595 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433907A · Oct 29
$3,258 NZD
$1,830 USD
View
18 more retailers have this diamond
Prices start from $481 NZDSave up to $2,778 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
$481 NZD