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 $367 NZD
$207 USD
As of October 30, 2026
Save $2,205 NZD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,573 NZD 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 $367 to $2,573, a $2,205 spread on the same certified stone. Brilliant Earth lists it at $2,573. 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 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,573 NZD|Low: $367 NZD|High: $2,573 NZD|Avg: $960 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 4$367 NZD
Retailer 7$412 NZD
Retailer 18$428 NZD
Retailer 3$456 NZD
Retailer 10$456 NZD
Retailer 12$470 NZD
Retailer 14$760 NZD
Retailer 2$788 NZD
Retailer 8$788 NZD
Retailer 13$841 NZD
Retailer 5$1,011 NZD
Retailer 15$1,115 NZD
Retailer 17$1,173 NZD
Retailer 9$1,333 NZD
Retailer 11$1,466 NZD
Retailer 6$1,561 NZD
Retailer 19$1,700 NZD
Retailer 16$1,830 NZD
Brilliant Earth$2,573 NZD

27 data points across 19 retailers

19 retailers$367 NZD to $2,573 NZD

A+
Cheapest Retailer
-
$367 NZD
$207 USD
A
Retailer 2
-
$412 NZD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$428 NZD
$241 USD
View
A
Retailer 4
-
$456 NZD
$257 USD
View
Retailer 5
-
$456 NZD
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$470 NZD
£208 GBP
View
A
Retailer 7
-
$760 NZD
€408 EUR
View
A
Retailer 8
-
$788 NZD
ZAR 7,171 ZAR
View
A
Retailer 9
-
$788 NZD
$444 USD
View
A
Retailer 10
-
$841 NZD
£373 GBP
View
B+
Retailer 11
-
$1,011 NZD
$570 USD
View
B+
Retailer 12
-
$1,115 NZD
A$967 AUD
View
B+
Retailer 13
-
$1,173 NZD
$661 USD
View
B+
Retailer 14
-
$1,333 NZD
SGD 1,015 SGD
View
B+
Retailer 15
-
$1,466 NZD
$826 USD
View
B+
Retailer 16
-
$1,561 NZD
$880 USD
View
B+
Retailer 17
-
$1,700 NZD
$958 USD
View
Retailer 18
-
$1,830 NZD
£812 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21589887A · Oct 31
$2,573 NZD
$1,450 USD
View
18 more retailers have this diamond
Prices start from $367 NZDSave up to $2,205 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
$367 NZD