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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $264 NZD
$149 USD
As of October 30, 2026
Save $788 NZD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,052 NZD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from $264 to $1,052, a $788 spread on the same certified stone. NZ Jewellers lists it at $1,052. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.20 × 6.81 × 3.95 mm
L/W Ratio1.10
Top View
6.20 mm6.81 mm1.00 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.5%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,052 NZD|Low: $178 NZD|High: $1,052 NZD|Avg: $395 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$178 NZD
Retailer 5$264 NZD
Retailer 4$307 NZD
Retailer 3$328 NZD
Retailer 6$328 NZD
Retailer 2$392 NZD
NZ Jewellers$1,052 NZD

17 data points across 7 retailers

5 retailers$264 NZD to $1,052 NZD

B+
Cheapest Retailer
-
$264 NZD
$149 USD
B+
Retailer 2
-
$307 NZD
$173 USD
View
B+
Retailer 3
-
$328 NZD
$185 USD
View
B+
Retailer 4
-
$392 NZD
£174 GBP
View
Most Expensive
C
NZ Jewellers
7a902834-7a0e-4a2b-9c36-b4b670ac77c7 · Nov 1
$1,052 NZD
$593 USD
View
4 more retailers have this diamond
Prices start from $264 NZDSave up to $788 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.

B+
1.00ct Heart
$264 NZD