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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG836621261

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621261

Diamond specifications and retailer prices

From €185 EUR
$207 USD
As of October 30, 2026
Save €1,113 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,298 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621261 or 836621261. Listed at 19 retailers as of October 30, 2026, with prices from €185 to €1,298, a €1,113 spread on the same certified stone. Brilliant Earth lists it at €1,298. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621261
Dimensions6.41 × 7.11 × 4.02 mm
L/W Ratio1.11
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
6.41 mm7.11 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621261
Side View
Table 55.0%Crown 33.3°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 56.5%

Caratlytics Score

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A+
Exceptional
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: €1,298 EUR|Low: €185 EUR|High: €1,298 EUR|Avg: €482 EUR
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 31, 2026
Retailer 4€185 EUR
Retailer 7€208 EUR
Retailer 18€216 EUR
Retailer 3€230 EUR
Retailer 10€230 EUR
Retailer 13€238 EUR
Retailer 2€383 EUR
Retailer 14€395 EUR
Retailer 8€397 EUR
Retailer 12€421 EUR
Retailer 5€510 EUR
Retailer 15€563 EUR
Retailer 17€592 EUR
Retailer 9€672 EUR
Retailer 11€739 EUR
Retailer 6€787 EUR
Retailer 19€857 EUR
Retailer 16€923 EUR
Brilliant Earth€1,298 EUR

27 data points across 19 retailers

19 retailers€185 EUR to €1,298 EUR

A+
Cheapest Retailer
-
€185 EUR
$207 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€216 EUR
$241 USD
View
A
Retailer 4
-
€230 EUR
$257 USD
View
A
Retailer 5
-
€230 EUR
$257 USD
View
A
Retailer 6
-
€238 EUR
£209 GBP
View
A
Retailer 7
-
€383 EUR
View
A
Retailer 8
-
€395 EUR
ZAR 7,135 ZAR
View
A
Retailer 9
-
€397 EUR
$444 USD
View
A
Retailer 10
-
€421 EUR
£370 GBP
View
B+
Retailer 11
-
€510 EUR
$570 USD
View
B+
Retailer 12
-
€563 EUR
A$967 AUD
View
B+
Retailer 13
-
€592 EUR
$661 USD
View
B+
Retailer 14
-
€672 EUR
SGD 1,015 SGD
View
B+
Retailer 15
-
€739 EUR
$826 USD
View
B+
Retailer 16
-
€787 EUR
$880 USD
View
B+
Retailer 17
-
€857 EUR
$958 USD
View
B+
Retailer 18
-
€923 EUR
£812 GBP
View
Most Expensive
B
Brilliant Earth
21589887A · Oct 31
€1,298 EUR
$1,450 USD
View
18 more retailers have this diamond
Prices start from €185 EURSave up to €1,113 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+
1.03ct Heart
€185 EUR