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Round|Lab Grown|IGI

1.26ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG787623871

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787623871

Diamond specifications and retailer prices

From $483 NZD
As of November 4, 2026
Save $1,747 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,009 NZD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.26ct lab-grown round diamond

This 1.26ct 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 LG787623871 or 787623871. Listed at 14 retailers as of November 4, 2026, with a 362% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623871
Dimensions6.99 × 6.94 × 4.22 mm
L/W Ratio1.01
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
6.99 mm6.94 mm1.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623871
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.6%

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 4
Current: $4,009 NZD|Low: $429 NZD|High: $4,151 NZD|Avg: $1,404 NZD|-3.4%
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 5, 2026
Retailer 3$431 NZD
Retailer 8$483 NZD
Retailer 7$534 NZD
Retailer 12$860 NZD
Retailer 6$898 NZD
Retailer 15$908 NZD
Retailer 18$919 NZD
Retailer 4$962 NZD
Retailer 2$1,001 NZD
Retailer 5$1,242 NZD
Retailer 16$1,315 NZD
Retailer 14$1,724 NZD
Retailer 9$1,809 NZD
Retailer 10$1,827 NZD
Retailer 11$2,134 NZD
Retailer 17$2,164 NZD
Retailer 13$2,230 NZD
Brilliant Earth$4,009 NZD

24 data points across 18 retailers

14 retailers$483 NZD to $2,230 NZD

Retailer 1
-
$431 NZD
Price last confirmed 18 days ago
A
Retailer 2
-
$483 NZD
View
Final sale: no returns
Retailer 3
-
$534 NZD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$860 NZD
View
A
Retailer 5
-
$898 NZD
View
Retailer 6
-
$908 NZD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,001 NZD
View
Retailer 8
-
$1,315 NZD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$1,724 NZD
View
B+
Retailer 10
-
$1,809 NZD
View
B+
Retailer 11
-
$2,134 NZD
View
Retailer 12
-
$2,164 NZD
View
Price last confirmed 18 days ago
B+
Retailer 13
-
$2,230 NZD
View
Most Expensive
Brilliant Earth
20188738A · Oct 18
$4,009 NZD
$2,260 USD
View
Price last confirmed 17 days ago
13 more retailers have this diamond
Prices start from $483 NZDSave up to $1,747 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
1.26ct Round
$483 NZD