Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From HK$1,169 HKD
$149 USD
As of October 30, 2026
Save HK$3,483 HKD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$4,653 HKD 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 HK$1,169 to HK$4,653, a HK$3,483 spread on the same certified stone. NZ Jewellers lists it at HK$4,653. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$4,653 HKD|Low: HK$785 HKD|High: HK$4,653 HKD|Avg: HK$1,746 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7HK$785 HKD
Retailer 5HK$1,169 HKD
Retailer 4HK$1,357 HKD
Retailer 3HK$1,451 HKD
Retailer 6HK$1,451 HKD
Retailer 2HK$1,732 HKD
NZ JewellersHK$4,653 HKD

17 data points across 7 retailers

5 retailersHK$1,169 HKD to HK$4,653 HKD

B+
Cheapest Retailer
-
HK$1,169 HKD
$149 USD
B+
Retailer 2
-
HK$1,357 HKD
$173 USD
View
B+
Retailer 3
-
HK$1,451 HKD
$185 USD
View
B+
Retailer 4
-
HK$1,732 HKD
£174 GBP
View
Most Expensive
C
NZ Jewellers
7a902834-7a0e-4a2b-9c36-b4b670ac77c7 · Nov 1
HK$4,653 HKD
$593 USD
View
4 more retailers have this diamond
Prices start from HK$1,169 HKDSave up to HK$3,483 HKD

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
HK$1,169 HKD