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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG510193469

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG510193469

Diamond specifications and retailer prices

From €201 EUR
$224 USD
As of October 30, 2026
Save €1,724 EUR (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €1,924 EUR at Do Amore Diamonds · As of October 31, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510193469 or 510193469. Listed at 29 retailers as of October 30, 2026, with prices from €201 to €1,924, a €1,724 spread on the same certified stone. Do Amore Diamonds lists it at €1,924. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193469
Dimensions7.52 × 6.41 × 4.34 mm
L/W Ratio1.17
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
7.52 mm6.41 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193469
Side View
Table 61.5%Crown 37.8°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.7%

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: Oct 30
Current: €522 EUR|Low: €201 EUR|High: €1,114 EUR|Avg: €573 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13€201 EUR
Retailer 11€234 EUR
Retailer 3€389 EUR
Retailer 4€465 EUR
Retailer 8€472 EUR
Retailer 1€522 EUR
Retailer 7€563 EUR
Retailer 5€606 EUR
Retailer 6€662 EUR
Retailer 9€668 EUR
Retailer 2€774 EUR
Retailer 12€803 EUR
Retailer 10€1,103 EUR

42 data points across 13 retailers

29 retailers€201 EUR to €1,924 EUR

A
Cheapest Retailer
-
€201 EUR
$224 USD
Retailer 2
-
€201 EUR
$224 USD
View
Price last confirmed 32 days ago
Retailer 3
-
€201 EUR
$224 USD
View
Price last confirmed 24 days ago
Retailer 4
-
€201 EUR
$224 USD
View
Price last confirmed 21 days ago
Retailer 5
-
€233 EUR
$260 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
€234 EUR
$261 USD
View
Final sale: no returns
Retailer 7
-
€246 EUR
$275 USD
View
Price last confirmed 35 days ago
Retailer 8
-
€249 EUR
$278 USD
View
Price last confirmed 29 days ago
Retailer 9
-
€249 EUR
$278 USD
View
Price last confirmed 22 days ago
A
Retailer 10
-
€337 EUR
$377 USD
View
A
Retailer 11
-
€389 EUR
$435 USD
View
A
Retailer 12
-
€390 EUR
HK$3,400 HKD
View
B+
Retailer 13
-
€465 EUR
$520 USD
View
B+
Retailer 14
-
€472 EUR
ZAR 8,522 ZAR
View
B+
Retailer 15
-
€522 EUR
£460 GBP
View
B+
Retailer 16
-
€563 EUR
A$968 AUD
View
B+
Retailer 17
-
€606 EUR
$677 USD
View
B+
Retailer 18
-
€662 EUR
$740 USD
View
B+
Retailer 19
-
€668 EUR
A$1,149 AUD
View
Retailer 20
-
€774 EUR
A$1,331 AUD
View
Price last confirmed 25 days ago
B
Retailer 21
-
€803 EUR
$897 USD
View
Retailer 22
-
€883 EUR
$987 USD
View
Price last confirmed 22 days ago
B
Retailer 23
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€883 EUR
$987 USD
View
Retailer 24
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€883 EUR
$987 USD
View
Price last confirmed 32 days ago
B
Retailer 25
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€1,036 EUR
$1,158 USD
View
B
Retailer 26
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€1,103 EUR
£970 GBP
View
B
Retailer 27
-
€1,114 EUR
SGD 1,682 SGD
View
B
Retailer 28
-
€1,137 EUR
$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-26DD9B55D · Oct 31
€1,924 EUR
$2,150 USD
View
28 more retailers have this diamond
Prices start from €201 EURSave up to €1,724 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
€201 EUR