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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 €207 EUR
$231 USD
As of October 30, 2026
Save €1,199 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,405 EUR 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 €207 to €1,405, a €1,199 spread on the same certified stone. Brilliant Earth lists it at €1,405. 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: €1,405 EUR|Low: €207 EUR|High: €2,005 EUR|Avg: €638 EUR|-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€207 EUR
Retailer 3€232 EUR
Retailer 17€240 EUR
Retailer 4€257 EUR
Retailer 10€257 EUR
Retailer 15€273 EUR
Retailer 8€435 EUR
Retailer 2€443 EUR
Retailer 19€470 EUR
Retailer 12€484 EUR
Retailer 13€626 EUR
Retailer 6€658 EUR
Retailer 11€824 EUR
Retailer 16€828 EUR
Retailer 7€872 EUR
Retailer 9€874 EUR
Retailer 18€943 EUR
Retailer 14€1,030 EUR
Brilliant Earth€1,405 EUR

25 data points across 19 retailers

19 retailers€207 EUR to €1,405 EUR

A
Cheapest Retailer
-
€207 EUR
$231 USD
A
Retailer 2
-
€232 EUR
$259 USD
View
Final sale: no returns
A
Retailer 3
-
€240 EUR
$268 USD
View
A
Retailer 4
-
€257 EUR
$287 USD
View
Retailer 5
-
€257 EUR
$287 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€273 EUR
£240 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€435 EUR
$486 USD
View
A
Retailer 8
-
€443 EUR
ZAR 7,994 ZAR
View
A
Retailer 9
-
€470 EUR
$525 USD
View
A
Retailer 10
-
€484 EUR
£425 GBP
View
B+
Retailer 11
-
€626 EUR
A$1,076 AUD
View
B+
Retailer 12
-
€658 EUR
$735 USD
View
B+
Retailer 13
-
€824 EUR
$921 USD
View
B+
Retailer 14
-
€828 EUR
$925 USD
View
B+
Retailer 15
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€872 EUR
$974 USD
View
B+
Retailer 16
-
€874 EUR
SGD 1,320 SGD
View
B+
Retailer 17
-
€943 EUR
$1,053 USD
View
B+
Retailer 18
-
€1,030 EUR
£906 GBP
View
Most Expensive
B
Brilliant Earth
21738532A · Oct 31
€1,405 EUR
$1,570 USD
View
18 more retailers have this diamond
Prices start from €207 EURSave up to €1,199 EUR

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
€207 EUR