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 $207 USD
As of October 30, 2026
Save $1,243 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of October 30, 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 $207 to $1,450, a $1,243 spread on the same certified stone. Brilliant Earth lists it at $1,450. 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: $1,450 USD|Low: $207 USD|High: $1,700 USD|Avg: $606 USD|-14.7%
Brilliant Earth
Retailer 2
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 4$207 USD
Retailer 7$232 USD
Retailer 18$241 USD
Retailer 3$257 USD
Retailer 10$257 USD
Retailer 12$266 USD
Retailer 13$432 USD
Retailer 14$442 USD
Retailer 8$444 USD
Retailer 2$470 USD
Retailer 5$570 USD
Retailer 15$629 USD
Retailer 17$661 USD
Retailer 9$751 USD
Retailer 11$826 USD
Retailer 6$880 USD
Retailer 19$958 USD
Retailer 16$1,031 USD
Brilliant Earth$1,450 USD

28 data points across 19 retailers

19 retailers$207 USD to $1,450 USD

A+
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$241 USD
View
A
Retailer 4
-
$257 USD
View
A
Retailer 5
-
$257 USD
View
A
Retailer 6
-
$266 USD
£209 GBP
View
A
Retailer 7
-
$432 USD
€411 EUR
View
A
Retailer 8
-
$442 USD
ZAR 7,135 ZAR
View
A
Retailer 9
-
$444 USD
View
A
Retailer 10
-
$470 USD
£370 GBP
View
B+
Retailer 11
-
$570 USD
View
B+
Retailer 12
-
$629 USD
A$967 AUD
View
B+
Retailer 13
-
$661 USD
View
B+
Retailer 14
-
$751 USD
SGD 1,015 SGD
View
B+
Retailer 15
-
$826 USD
View
B+
Retailer 16
-
$880 USD
View
B+
Retailer 17
-
$958 USD
View
B+
Retailer 18
-
$1,031 USD
£812 GBP
View
Most Expensive
B
Brilliant Earth
21589887A · Oct 30
$1,450 USD
View
18 more retailers have this diamond
Prices start from $207 USDSave up to $1,243 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+
1.03ct Heart
$207 USD