CaratHunter
Plans
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 $276 SGD
$216 USD
As of October 30, 2026
Save $1,237 SGD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,513 SGD at MOH London · As of October 25, 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 25, 2026, with prices from $276 to $1,513, a $1,237 spread on the same certified stone. MOH London lists it at $1,513. 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 →
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: $1,513 SGD|Low: $265 SGD|High: $1,529 SGD|Avg: $739 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3$276 SGD
Retailer 6$320 SGD
Retailer 7$361 SGD
Retailer 5$584 SGD
Retailer 8$614 SGD
Retailer 2$1,102 SGD
Retailer 4$1,212 SGD
MOH London$1,513 SGD

11 data points across 8 retailers

7 retailers$276 SGD to $1,513 SGD

A
Cheapest Retailer
-
$276 SGD
$216 USD
B+
Retailer 2
-
$320 SGD
$250 USD
View
B+
Retailer 3
-
$361 SGD
$282 USD
View
B
Retailer 4
-
$584 SGD
$457 USD
View
C
Retailer 5
-
$1,102 SGD
$862 USD
View
C
Retailer 6
-
$1,212 SGD
$948 USD
View
Most Expensive
C
MOH London
340810524 · Oct 25
$1,513 SGD
£932 GBP
View
6 more retailers have this diamond
Prices start from $276 SGDSave up to $1,237 SGD

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
$276 SGD