Heart|Lab Grown|IGI

1.17ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG836617987

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617987

Diamond specifications and retailer prices

From $410 NZD
As of November 4, 2026
Save $2,375 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,785 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.17ct lab-grown heart diamond

This 1.17ct lab-grown heart 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 LG836617987 or 836617987. Listed at 18 retailers as of November 4, 2026, with prices from $410 to $2,785, a $2,375 spread on the same certified stone. Brilliant Earth lists it at $2,785. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617987
Dimensions6.45 × 7.28 × 4.32 mm
L/W Ratio1.13
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
6.45 mm7.28 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617987
Side View
Table 56.0%Crown 36.8°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 59.3%

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: $2,785 NZD|Low: $410 NZD|High: $3,974 NZD|Avg: $1,249 NZD|-29.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 5$410 NZD
Retailer 3$459 NZD
Retailer 17$475 NZD
Retailer 4$509 NZD
Retailer 10$509 NZD
Retailer 16$539 NZD
Retailer 8$862 NZD
Retailer 14$876 NZD
Retailer 19$931 NZD
Retailer 2$949 NZD
Retailer 15$1,240 NZD
Retailer 6$1,304 NZD
Retailer 13$1,355 NZD
Retailer 11$1,634 NZD
Retailer 7$1,726 NZD
Retailer 9$1,731 NZD
Retailer 18$1,868 NZD
Retailer 12$2,038 NZD
Brilliant Earth$2,785 NZD

29 data points across 19 retailers

18 retailers$410 NZD to $2,785 NZD

A
Cheapest Retailer
-
$410 NZD
A
Retailer 2
-
$459 NZD
View
Final sale: no returns
A
Retailer 3
-
$475 NZD
View
A
Retailer 4
-
$509 NZD
View
Retailer 5
-
$509 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$862 NZD
View
A
Retailer 7
-
$876 NZD
View
A
Retailer 8
-
$931 NZD
View
A
Retailer 9
-
$949 NZD
View
Retailer 10
-
$1,240 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,304 NZD
View
B+
Retailer 12
-
$1,355 NZD
View
B+
Retailer 13
-
$1,634 NZD
View
B+
Retailer 14
-
$1,726 NZD
View
B+
Retailer 15
-
$1,731 NZD
View
B+
Retailer 16
-
$1,868 NZD
View
B+
Retailer 17
-
$2,038 NZD
View
Most Expensive
B
Brilliant Earth
21738532A · Nov 4
$2,785 NZD
$1,570 USD
View
17 more retailers have this diamond
Prices start from $410 NZDSave up to $2,375 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
1.17ct Heart
$410 NZD