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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG627410532

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627410532

Diamond specifications and retailer prices

From $230 USD
As of October 30, 2026
Save $1,739 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,969 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG627410532 or 627410532. Listed at 22 retailers as of October 27, 2026, with prices from $230 to $1,969, a $1,739 spread on the same certified stone. Queensmith lists it at $1,969. 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 angle27.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627410532
Dimensions6.42 × 6.42 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.42 mm6.42 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627410532
Side View
Table 61.0%Crown 27.1°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 56.1%

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 30
Current: $1,450 USD|Low: $192 USD|High: $1,750 USD|Avg: $796 USD|-17.1%
Retailer 1
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
October 30, 2026
Retailer 5$258 USD
Retailer 15$267 USD
Retailer 6$385 USD
Retailer 10$462 USD
Retailer 11$491 USD
Retailer 9$539 USD
Retailer 2$578 USD
Retailer 3$594 USD
Retailer 12$697 USD
Retailer 14$922 USD
Retailer 4$971 USD
Retailer 13$1,147 USD
Retailer 7$1,291 USD
Retailer 8$1,437 USD
Retailer 1$1,450 USD

36 data points across 15 retailers

22 retailers$230 USD to $1,969 USD

A
Cheapest Retailer
-
$230 USD
A
Retailer 2
-
$258 USD
View
Final sale: no returns
A
Retailer 3
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$267 USD
View
A
Retailer 4
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$286 USD
View
A
Retailer 5
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$286 USD
View
A
Retailer 6
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$385 USD
View
A
Retailer 7
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$462 USD
€440 EUR
View
A
Retailer 8
-
$491 USD
ZAR 7,932 ZAR
View
Retailer 9
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$525 USD
£413 GBP
View
Price last confirmed 11 days ago
A
Retailer 10
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$539 USD
£424 GBP
View
A
Retailer 11
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$578 USD
View
A
Retailer 12
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$594 USD
View
B+
Retailer 13
-
$697 USD
A$1,073 AUD
View
B+
Retailer 14
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$748 USD
View
B+
Retailer 15
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$919 USD
View
Retailer 16
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$922 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
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$971 USD
View
B+
Retailer 18
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$1,147 USD
£903 GBP
View
B
Retailer 19
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$1,291 USD
View
B
Retailer 20
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$1,437 USD
A$2,211 AUD
View
B
Retailer 21
-
$1,450 USD
View
Most Expensive
B
Queensmith
LG627410532 · Oct 27
$1,969 USD
£1,550 GBP
View
21 more retailers have this diamond
Prices start from $230 USDSave up to $1,739 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
$230 USD