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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 $408 NZD
$230 USD
As of October 30, 2026
Save $3,085 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,493 NZD 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 $408 to $3,493, a $3,085 spread on the same certified stone. Queensmith lists it at $3,493. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $876 NZD|Low: $397 NZD|High: $3,016 NZD|Avg: $1,227 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 4$408 NZD
Retailer 8$458 NZD
Retailer 19$474 NZD
Retailer 3$507 NZD
Retailer 9$507 NZD
Retailer 10$683 NZD
Retailer 13$816 NZD
Retailer 1$876 NZD
Retailer 12$956 NZD
Retailer 2$1,026 NZD
Retailer 6$1,054 NZD
Retailer 16$1,237 NZD
Retailer 5$1,631 NZD
Retailer 18$1,636 NZD
Retailer 7$1,723 NZD
Retailer 17$2,035 NZD
Retailer 11$2,290 NZD
Retailer 15$2,550 NZD
Retailer 14$2,573 NZD

40 data points across 19 retailers

22 retailers$408 NZD to $3,493 NZD

A
Cheapest Retailer
-
$408 NZD
$230 USD
A
Retailer 2
-
$458 NZD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$474 NZD
$267 USD
View
A
Retailer 4
-
$507 NZD
$286 USD
View
Retailer 5
-
$507 NZD
$286 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$683 NZD
$385 USD
View
A
Retailer 7
-
$816 NZD
€438 EUR
View
A
Retailer 8
-
$876 NZD
ZAR 7,972 ZAR
View
Retailer 9
-
$932 NZD
£413 GBP
View
Price last confirmed 13 days ago
A
Retailer 10
-
$956 NZD
£424 GBP
View
B+
Retailer 11
-
$1,026 NZD
$578 USD
View
B+
Retailer 12
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$1,054 NZD
$594 USD
View
B+
Retailer 13
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$1,237 NZD
A$1,073 AUD
View
B+
Retailer 14
-
$1,327 NZD
$748 USD
View
B+
Retailer 15
-
$1,631 NZD
$919 USD
View
Retailer 16
-
$1,636 NZD
$922 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
-
$1,723 NZD
$971 USD
View
Retailer 18
-
$2,035 NZD
£903 GBP
View
Price last confirmed 7 days ago
B
Retailer 19
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$2,290 NZD
$1,291 USD
View
B
Retailer 20
-
$2,550 NZD
A$2,211 AUD
View
B
Retailer 21
-
$2,573 NZD
$1,450 USD
View
Most Expensive
B
Queensmith
LG627410532 · Oct 27
$3,493 NZD
£1,550 GBP
View
21 more retailers have this diamond
Prices start from $408 NZDSave up to $3,085 NZD

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
$408 NZD