Radiant|Lab Grown|IGI

1.16ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG618434067

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618434067

Diamond specifications and retailer prices

From $1,741 NZD
A$1,507 AUD
As of October 29, 2026
Save $605 NZD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,021 NZD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618434067 or 618434067. Listed at 11 retailers as of October 29, 2026, with a 35% 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

1.16
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618434067
Dimensions7.61 × 5.25 × 3.42 mm
L/W Ratio1.45
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
7.61 mm5.25 mm1.16 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618434067
Side View
Table 67.0%Crown 40°Girdle: Slightly ThickPavilion 36.3°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,021 NZD|Low: $352 NZD|High: $3,110 NZD|Avg: $1,440 NZD|-2.9%
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
October 29, 2026
Retailer 13$352 NZD
Retailer 12$656 NZD
Retailer 8$674 NZD
Retailer 7$713 NZD
Retailer 4$1,001 NZD
Retailer 11$1,014 NZD
Retailer 3$1,162 NZD
Retailer 10$1,358 NZD
Retailer 2$1,741 NZD
Retailer 9$1,975 NZD
Retailer 6$2,346 NZD
Retailer 5$2,933 NZD
Brilliant Earth$3,021 NZD

19 data points across 13 retailers

11 retailers$1,741 NZD to $2,346 NZD

Retailer 1
-
$306 NZD
$172 USD
Price last confirmed 25 days ago
Retailer 2
-
$354 NZD
$199 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$674 NZD
$379 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$1,162 NZD
$654 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$1,342 NZD
$755 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$1,741 NZD
A$1,507 AUD
View
Retailer 7
-
$1,975 NZD
£875 GBP
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$2,346 NZD
$1,320 USD
View
Retailer 9
-
$2,408 NZD
$1,355 USD
View
Price last confirmed 29 days ago
Retailer 10
-
$2,731 NZD
$1,537 USD
View
Most Expensive
Brilliant Earth
9922476Y · Oct 8
$3,021 NZD
$1,700 USD
View
Price last confirmed 25 days ago
10 more retailers have this diamond
Prices start from $1,741 NZDSave up to $605 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.

B+
1.16ct Radiant
$1,741 NZD