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Heart|Lab Grown|UNKNOWN

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • UNKNOWN 231156201

Certificate UNKNOWN 231156201

Diamond specifications and retailer prices

From $214 AUD
$150 USD
As of October 30, 2026
Save $639 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $853 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), with a top-tier cut grade and certified by UNKNOWN 231156201. Listed at 4 retailers as of October 30, 2026, with prices from $214 to $853, a $639 spread on the same certified stone. NZ Jewellers lists it at $853. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 231156201
Dimensions6.12 × 7.03 × 4.01 mm
L/W Ratio1.15
Top View
6.12 mm7.03 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 231156201
Side View
Table 67.0%CrownGirdlePavilionCuletDepth 57.0%

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: $853 AUD|Low: $205 AUD|High: $853 AUD|Avg: $369 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2$214 AUD
Retailer 4$248 AUD
Retailer 3$265 AUD
Retailer 5$359 AUD
NZ Jewellers$853 AUD

6 data points across 5 retailers

4 retailers$214 AUD to $853 AUD

A
Cheapest Retailer
-
$214 AUD
$150 USD
B+
Retailer 2
-
$248 AUD
$174 USD
View
B+
Retailer 3
-
$265 AUD
$186 USD
View
Most Expensive
B
NZ Jewellers
35a717a2-acd5-438a-ab0d-3b0fad9ddfb7 · Nov 1
$853 AUD
$599 USD
View
3 more retailers have this diamond
Prices start from $214 AUDSave up to $639 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.

A
1.00ct Heart
$214 AUD