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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 $224 USD
As of October 30, 2026
Save $1,926 USD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,150 USD at Do Amore Diamonds · As of November 2, 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 $224 to $2,150, a $1,926 spread on the same certified stone. Do Amore Diamonds lists it at $2,150. 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: $584 USD|Low: $224 USD|High: $1,245 USD|Avg: $640 USD|+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 2, 2026
Retailer 13$224 USD
Retailer 11$261 USD
Retailer 3$435 USD
Retailer 4$520 USD
Retailer 6$530 USD
Retailer 1$584 USD
Retailer 8$629 USD
Retailer 5$677 USD
Retailer 7$740 USD
Retailer 9$747 USD
Retailer 2$865 USD
Retailer 12$897 USD
Retailer 10$1,232 USD

43 data points across 13 retailers

29 retailers$224 USD to $2,150 USD

A
Cheapest Retailer
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$224 USD
Retailer 2
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$224 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$224 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$224 USD
View
Price last confirmed 21 days ago
Retailer 5
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$260 USD
View
Price last confirmed 34 days ago
A
Retailer 6
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$261 USD
View
Final sale: no returns
Retailer 7
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$275 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$278 USD
View
Price last confirmed 29 days ago
Retailer 9
-
$278 USD
View
Price last confirmed 22 days ago
A
Retailer 10
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$377 USD
View
A
Retailer 11
-
$435 USD
View
A
Retailer 12
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$435 USD
HK$3,400 HKD
View
B+
Retailer 13
-
$520 USD
View
B+
Retailer 14
-
$530 USD
ZAR 8,564 ZAR
View
B+
Retailer 15
-
$584 USD
£460 GBP
View
B+
Retailer 16
-
$629 USD
A$968 AUD
View
B+
Retailer 17
-
$677 USD
View
B+
Retailer 18
-
$740 USD
View
B+
Retailer 19
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$747 USD
A$1,149 AUD
View
Retailer 20
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$865 USD
A$1,331 AUD
View
Price last confirmed 25 days ago
B
Retailer 21
-
$897 USD
View
Retailer 22
-
$987 USD
View
Price last confirmed 22 days ago
B
Retailer 23
-
$987 USD
View
Retailer 24
-
$987 USD
View
Price last confirmed 32 days ago
B
Retailer 25
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$1,158 USD
View
B
Retailer 26
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$1,232 USD
£970 GBP
View
B
Retailer 27
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$1,245 USD
SGD 1,682 SGD
View
B
Retailer 28
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$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-26DD9B55D · Nov 2
$2,150 USD
View
28 more retailers have this diamond
Prices start from $224 USDSave up to $1,926 USD

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
$224 USD