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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 $329 AUD
$231 USD
As of October 30, 2026
Save $1,906 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,235 AUD at Brilliant Earth · As of October 31, 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 19 retailers as of October 30, 2026, with prices from $329 to $2,235, a $1,906 spread on the same certified stone. Brilliant Earth lists it at $2,235. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,235 AUD|Low: $329 AUD|High: $3,189 AUD|Avg: $1,015 AUD|-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 1, 2026
Retailer 5$329 AUD
Retailer 3$369 AUD
Retailer 17$382 AUD
Retailer 4$409 AUD
Retailer 10$409 AUD
Retailer 15$434 AUD
Retailer 8$692 AUD
Retailer 12$701 AUD
Retailer 19$747 AUD
Retailer 2$769 AUD
Retailer 13$996 AUD
Retailer 6$1,046 AUD
Retailer 11$1,311 AUD
Retailer 16$1,317 AUD
Retailer 7$1,386 AUD
Retailer 9$1,391 AUD
Retailer 18$1,499 AUD
Retailer 14$1,638 AUD
Brilliant Earth$2,235 AUD

25 data points across 19 retailers

19 retailers$329 AUD to $2,235 AUD

A
Cheapest Retailer
-
$329 AUD
$231 USD
A
Retailer 2
-
$369 AUD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$382 AUD
$268 USD
View
A
Retailer 4
-
$409 AUD
$287 USD
View
Retailer 5
-
$409 AUD
$287 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$434 AUD
£240 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$692 AUD
$486 USD
View
A
Retailer 8
-
$701 AUD
ZAR 7,955 ZAR
View
A
Retailer 9
-
$747 AUD
$525 USD
View
A
Retailer 10
-
$769 AUD
£425 GBP
View
B+
Retailer 11
-
$996 AUD
View
B+
Retailer 12
-
$1,046 AUD
$735 USD
View
B+
Retailer 13
-
$1,311 AUD
$921 USD
View
B+
Retailer 14
-
$1,317 AUD
$925 USD
View
B+
Retailer 15
-
$1,386 AUD
$974 USD
View
B+
Retailer 16
-
$1,391 AUD
SGD 1,320 SGD
View
B+
Retailer 17
-
$1,499 AUD
$1,053 USD
View
B+
Retailer 18
-
$1,638 AUD
£906 GBP
View
Most Expensive
B
Brilliant Earth
21738532A · Oct 31
$2,235 AUD
$1,570 USD
View
18 more retailers have this diamond
Prices start from $329 AUDSave up to $1,906 AUD

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
$329 AUD