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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG799619921

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799619921

Diamond specifications and retailer prices

From $255 SGD
As of November 4, 2026
Save $2,197 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,452 SGD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG799619921 or 799619921. Listed at 15 retailers as of November 4, 2026, with prices from $255 to $2,452, a $2,197 spread on the same certified stone. Do Amore Diamonds lists it at $2,452. 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

1.23
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799619921
Dimensions6.75 × 7.51 × 4.12 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799619921
Side View
Table 59.0%Crown 37.1°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 54.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,452 SGD|Low: $255 SGD|High: $2,618 SGD|Avg: $816 SGD|-1.0%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 5, 2026
Retailer 15$255 SGD
Retailer 17$286 SGD
Retailer 20$296 SGD
Retailer 9$337 SGD
Retailer 10$341 SGD
Retailer 13$383 SGD
Retailer 2$396 SGD
Retailer 19$433 SGD
Retailer 11$599 SGD
Retailer 7$616 SGD
Retailer 4$649 SGD
Retailer 6$769 SGD
Retailer 3$915 SGD
Retailer 18$926 SGD
Retailer 16$1,125 SGD
Retailer 12$1,151 SGD
Retailer 8$1,165 SGD
Retailer 14$1,400 SGD
Retailer 5$1,839 SGD
Do Amore Diamonds$2,452 SGD

23 data points across 20 retailers

15 retailers$255 SGD to $2,452 SGD

A
Cheapest Retailer
-
$255 SGD
A
Retailer 2
-
$286 SGD
View
Final sale: no returns
A
Retailer 3
-
$296 SGD
View
Retailer 4
-
$337 SGD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$383 SGD
View
A
Retailer 6
-
$396 SGD
View
B+
Retailer 7
-
$433 SGD
View
Retailer 8
-
$599 SGD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
$649 SGD
View
B
Retailer 10
-
$915 SGD
View
B+
Retailer 11
-
$926 SGD
View
B
Retailer 12
-
$1,125 SGD
View
B
Retailer 13
-
$1,400 SGD
View
B
Retailer 14
-
$1,839 SGD
View
Most Expensive
B
Do Amore Diamonds
27-A51561416 · Nov 5
$2,452 SGD
$1,920 USD
View
14 more retailers have this diamond
Prices start from $255 SGDSave up to $2,197 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
1.23ct Heart
$255 SGD