CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $212 AUD
$149 USD
As of October 30, 2026
Save $632 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $844 AUD 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 $212 to $844, a $632 spread on the same certified stone. NZ Jewellers lists it at $844. 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: $844 AUD|Low: $142 AUD|High: $844 AUD|Avg: $317 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$142 AUD
Retailer 5$212 AUD
Retailer 4$246 AUD
Retailer 3$263 AUD
Retailer 6$263 AUD
Retailer 2$314 AUD
NZ Jewellers$844 AUD

17 data points across 7 retailers

5 retailers$212 AUD to $844 AUD

B+
Cheapest Retailer
-
$212 AUD
$149 USD
B+
Retailer 2
-
$246 AUD
$173 USD
View
B+
Retailer 3
-
$263 AUD
$185 USD
View
B+
Retailer 4
-
$314 AUD
£174 GBP
View
Most Expensive
C
NZ Jewellers
7a902834-7a0e-4a2b-9c36-b4b670ac77c7 · Nov 1
$844 AUD
$593 USD
View
4 more retailers have this diamond
Prices start from $212 AUDSave up to $632 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.

B+
1.00ct Heart
$212 AUD