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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 €178 EUR
As of November 4, 2026
Save €1,532 EUR (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,711 EUR 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 €178 to €1,711, a €1,532 spread on the same certified stone. Do Amore Diamonds lists it at €1,711. 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: €1,711 EUR|Low: €178 EUR|High: €1,826 EUR|Avg: €569 EUR|-1.0%
Do Amore Diamonds
Retailer 2
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Retailer 20
November 5, 2026
Retailer 15€178 EUR
Retailer 17€200 EUR
Retailer 20€207 EUR
Retailer 9€235 EUR
Retailer 10€238 EUR
Retailer 13€267 EUR
Retailer 2€276 EUR
Retailer 19€302 EUR
Retailer 11€418 EUR
Retailer 7€429 EUR
Retailer 4€453 EUR
Retailer 6€536 EUR
Retailer 3€638 EUR
Retailer 18€646 EUR
Retailer 16€785 EUR
Retailer 12€803 EUR
Retailer 8€813 EUR
Retailer 14€976 EUR
Retailer 5€1,283 EUR
Do Amore Diamonds€1,711 EUR

23 data points across 20 retailers

15 retailers€178 EUR to €1,711 EUR

A
Cheapest Retailer
-
€178 EUR
A
Retailer 2
-
€200 EUR
View
Final sale: no returns
A
Retailer 3
-
€207 EUR
View
Retailer 4
-
€235 EUR
View
Price last confirmed 39 days ago
A
Retailer 5
-
€267 EUR
View
A
Retailer 6
-
€276 EUR
View
B+
Retailer 7
-
€302 EUR
View
Retailer 8
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€418 EUR
View
Price last confirmed 40 days ago
B+
Retailer 9
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€453 EUR
View
B
Retailer 10
-
€638 EUR
View
B+
Retailer 11
-
€646 EUR
View
B
Retailer 12
-
€785 EUR
View
B
Retailer 13
-
€976 EUR
View
B
Retailer 14
-
€1,283 EUR
View
Most Expensive
B
Do Amore Diamonds
27-A51561416 · Nov 5
€1,711 EUR
$1,920 USD
View
14 more retailers have this diamond
Prices start from €178 EURSave up to €1,532 EUR

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
€178 EUR