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Heart|Lab Grown|GCAL

1.00ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • GCAL 340810524

Shape and cutting style on the report: Heart brilliant

Certificate GCAL 340810524

Diamond specifications and retailer prices

From $383 NZD
$216 USD
As of October 30, 2026
Save $1,715 NZD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,098 NZD at MOH London · As of November 1, 2026
View at MOH London

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 very-good cut grade and certified by GCAL 340810524. Listed at 7 retailers as of October 30, 2026, with prices from $383 to $2,098, a $1,715 spread on the same certified stone. MOH London lists it at $2,098. 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
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 340810524
Dimensions7.04 × 6.09 × 3.92 mm
L/W Ratio1.16
Culet sizeNone
Top View
7.04 mm6.09 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGCAL 340810524
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.4°Culet: NoneDepth 55.7%

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: $2,098 NZD|Low: $367 NZD|High: $2,123 NZD|Avg: $1,027 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$383 NZD
Retailer 6$444 NZD
Retailer 7$500 NZD
Retailer 5$811 NZD
Retailer 8$852 NZD
Retailer 2$1,529 NZD
Retailer 4$1,682 NZD
MOH London$2,098 NZD

12 data points across 8 retailers

7 retailers$383 NZD to $2,098 NZD

B+
Cheapest Retailer
-
$383 NZD
$216 USD
B+
Retailer 2
-
$444 NZD
$250 USD
View
B+
Retailer 3
-
$500 NZD
$282 USD
View
B
Retailer 4
-
$811 NZD
$457 USD
View
B
Retailer 5
-
$1,529 NZD
$862 USD
View
C
Retailer 6
-
$1,682 NZD
$948 USD
View
Most Expensive
C
MOH London
340810524 · Nov 1
$2,098 NZD
£931 GBP
View
6 more retailers have this diamond
Prices start from $383 NZDSave up to $1,715 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
$383 NZD