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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG728559284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728559284

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)
13 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 top-tier cut grade and certified by IGI LG728559284 or 728559284. Listed at 13 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728559284
Dimensions7.51 × 6.91 × 4.16 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
7.51 mm6.91 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728559284
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 55.4%

Caratlytics Score

How it works →
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: €1,916 EUR|Avg: €681 EUR|-10.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 12€178 EUR
Retailer 15€200 EUR
Retailer 16€207 EUR
Retailer 4€267 EUR
Retailer 3€302 EUR
Retailer 11€400 EUR
Retailer 13€440 EUR
Retailer 7€481 EUR
Retailer 8€542 EUR
Retailer 9€597 EUR
Retailer 10€646 EUR
Retailer 14€785 EUR
Retailer 2€976 EUR
Retailer 6€1,154 EUR
Retailer 5€1,283 EUR
Do Amore Diamonds€1,711 EUR

29 data points across 16 retailers

13 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
A
Retailer 4
-
€267 EUR
View
B+
Retailer 5
-
€302 EUR
View
A
Retailer 6
-
€400 EUR
View
B+
Retailer 7
-
€440 EUR
View
B+
Retailer 8
-
€597 EUR
View
B+
Retailer 9
-
€646 EUR
View
B+
Retailer 10
-
€785 EUR
View
B+
Retailer 11
-
€976 EUR
View
B
Retailer 12
-
€1,283 EUR
View
Most Expensive
B
Do Amore Diamonds
27-64E991385 · Nov 5
€1,711 EUR
$1,920 USD
View
12 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