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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 $231 USD
As of October 27, 2026
Save $2,009 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,240 USD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $231 to $2,240, a $2,009 spread on the same certified stone. Brilliant Earth lists it at $2,240. 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
Color
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

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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 27
Current: $2,240 USD|Low: $231 USD|High: $2,240 USD|Avg: $721 USD
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
October 28, 2026
Retailer 5$231 USD
Retailer 3$259 USD
Retailer 17$268 USD
Retailer 4$287 USD
Retailer 10$287 USD
Retailer 15$305 USD
Retailer 8$486 USD
Retailer 12$492 USD
Retailer 19$525 USD
Retailer 2$538 USD
Retailer 13$699 USD
Retailer 6$735 USD
Retailer 11$921 USD
Retailer 16$925 USD
Retailer 7$974 USD
Retailer 9$977 USD
Retailer 18$1,053 USD
Retailer 14$1,151 USD
Brilliant Earth$2,240 USD

21 data points across 19 retailers

19 retailers$231 USD to $2,240 USD

A
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$268 USD
View
A
Retailer 4
-
$287 USD
View
A
Retailer 5
-
$287 USD
View
A
Retailer 6
-
$305 USD
£240 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$486 USD
View
A
Retailer 8
-
$492 USD
ZAR 7,955 ZAR
View
A
Retailer 9
-
$525 USD
View
A
Retailer 10
-
$538 USD
£424 GBP
View
B+
Retailer 11
-
$699 USD
A$1,076 AUD
View
B+
Retailer 12
-
$735 USD
View
B+
Retailer 13
-
$921 USD
View
B+
Retailer 14
-
$925 USD
View
B+
Retailer 15
-
$974 USD
View
B+
Retailer 16
-
$977 USD
SGD 1,320 SGD
View
B+
Retailer 17
-
$1,053 USD
View
B+
Retailer 18
-
$1,151 USD
£906 GBP
View
Most Expensive
B
Brilliant Earth
21738532A · Oct 28
$2,240 USD
View
18 more retailers have this diamond
Prices start from $231 USDSave up to $2,009 USD

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
$231 USD