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Heart|Lab Grown|IGI

1.16ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663659

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663659

Diamond specifications and retailer prices

From $735 NZD
£326 GBP
As of November 1, 2026
Save $3,648 NZD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,383 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.16ct lab-grown heart diamond

This 1.16ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663659 or 846663659. Listed at 10 retailers as of October 31, 2026, with prices from $735 to $4,383, a $3,648 spread on the same certified stone. Brilliant Earth lists it at $4,383. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663659
Dimensions6.70 × 7.24 × 4.23 mm
L/W Ratio1.08
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
6.70 mm7.24 mm1.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663659
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 58.4%

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 1
Current: $4,383 NZD|Low: $601 NZD|High: $4,383 NZD|Avg: $1,686 NZD|+16.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$735 NZD
Retailer 6$985 NZD
Retailer 10$1,066 NZD
Retailer 3$1,159 NZD
Retailer 7$1,359 NZD
Retailer 8$1,787 NZD
Retailer 5$2,294 NZD
Retailer 2$2,860 NZD
Retailer 9$2,871 NZD
Brilliant Earth$4,383 NZD

6 data points across 10 retailers

10 retailers$735 NZD to $4,383 NZD

A
Cheapest Retailer
-
$735 NZD
£326 GBP
A
Retailer 2
-
$985 NZD
$555 USD
View
A
Retailer 3
-
$1,066 NZD
€572 EUR
View
B+
Retailer 4
-
$1,159 NZD
$653 USD
View
B+
Retailer 5
-
$1,359 NZD
$766 USD
View
B+
Retailer 6
-
$1,787 NZD
$1,007 USD
View
B
Retailer 7
-
$2,294 NZD
$1,293 USD
View
B
Retailer 8
-
$2,860 NZD
£1,269 GBP
View
B
Retailer 9
-
$2,871 NZD
$1,618 USD
View
Most Expensive
B
Brilliant Earth
22319254A · Oct 31
$4,383 NZD
$2,470 USD
View
9 more retailers have this diamond
Prices start from $735 NZDSave up to $3,648 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
1.16ct Heart
$735 NZD