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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 $327 AUD
$230 USD
As of October 30, 2026
Save $2,475 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,802 AUD 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 $327 to $2,802, a $2,475 spread on the same certified stone. Queensmith lists it at $2,802. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627410532
Dimensions6.42 × 7.08 × 3.97 mm
L/W Ratio1.10
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 mm7.08 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

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: $767 AUD|Low: $319 AUD|High: $2,420 AUD|Avg: $984 AUD|-1.0%
Retailer 1
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Retailer 12
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Retailer 19
November 1, 2026
Retailer 4$327 AUD
Retailer 8$367 AUD
Retailer 19$380 AUD
Retailer 3$407 AUD
Retailer 9$407 AUD
Retailer 10$548 AUD
Retailer 12$655 AUD
Retailer 15$699 AUD
Retailer 1$767 AUD
Retailer 2$823 AUD
Retailer 6$846 AUD
Retailer 16$993 AUD
Retailer 5$1,308 AUD
Retailer 18$1,313 AUD
Retailer 7$1,382 AUD
Retailer 17$1,633 AUD
Retailer 11$1,838 AUD
Retailer 14$2,046 AUD
Retailer 13$2,064 AUD

40 data points across 19 retailers

22 retailers$327 AUD to $2,802 AUD

A
Cheapest Retailer
-
$327 AUD
$230 USD
A
Retailer 2
-
$367 AUD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$380 AUD
$267 USD
View
A
Retailer 4
-
$407 AUD
$286 USD
View
Retailer 5
-
$407 AUD
$286 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$548 AUD
$385 USD
View
A
Retailer 7
-
$655 AUD
€438 EUR
View
A
Retailer 8
-
$699 AUD
ZAR 7,932 ZAR
View
Retailer 9
-
$748 AUD
£413 GBP
View
Price last confirmed 13 days ago
A
Retailer 10
-
$767 AUD
£424 GBP
View
B+
Retailer 11
-
$823 AUD
$578 USD
View
B+
Retailer 12
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$846 AUD
$594 USD
View
B+
Retailer 13
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$993 AUD
View
B+
Retailer 14
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$1,065 AUD
$748 USD
View
B+
Retailer 15
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$1,308 AUD
$919 USD
View
Retailer 16
-
$1,313 AUD
$922 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$1,382 AUD
$971 USD
View
Retailer 18
-
$1,633 AUD
£903 GBP
View
Price last confirmed 7 days ago
B
Retailer 19
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$1,838 AUD
$1,291 USD
View
B
Retailer 20
-
$2,046 AUD
View
B
Retailer 21
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$2,064 AUD
$1,450 USD
View
Most Expensive
B
Queensmith
LG627410532 · Oct 27
$2,802 AUD
£1,550 GBP
View
21 more retailers have this diamond
Prices start from $327 AUDSave up to $2,475 AUD

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
$327 AUD