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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 $200 USD
As of October 30, 2026
Save $1,720 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,920 USD at Do Amore Diamonds · As of November 1, 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 October 30, 2026, with prices from $200 to $1,920, a $1,720 spread on the same certified stone. Do Amore Diamonds lists it at $1,920. 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
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: Oct 30
Current: $1,920 USD|Low: $200 USD|High: $2,170 USD|Avg: $773 USD|-11.5%
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 10$200 USD
Retailer 15$224 USD
Retailer 16$232 USD
Retailer 4$300 USD
Retailer 3$339 USD
Retailer 2$449 USD
Retailer 12$494 USD
Retailer 7$540 USD
Retailer 8$609 USD
Retailer 11$670 USD
Retailer 13$719 USD
Retailer 14$881 USD
Retailer 9$1,105 USD
Retailer 6$1,296 USD
Retailer 5$1,440 USD
Do Amore Diamonds$1,920 USD

30 data points across 16 retailers

13 retailers$200 USD to $1,920 USD

A
Cheapest Retailer
-
$200 USD
A
Retailer 2
-
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$232 USD
View
A
Retailer 4
-
$300 USD
View
B+
Retailer 5
-
$339 USD
View
A
Retailer 6
-
$449 USD
€428 EUR
View
B+
Retailer 7
-
$494 USD
View
B+
Retailer 8
-
$670 USD
A$1,031 AUD
View
B+
Retailer 9
-
$719 USD
View
B+
Retailer 10
-
$881 USD
View
B+
Retailer 11
-
$1,105 USD
£870 GBP
View
B
Retailer 12
-
$1,440 USD
View
Most Expensive
B
Do Amore Diamonds
27-64E991385 · Nov 1
$1,920 USD
View
12 more retailers have this diamond
Prices start from $200 USDSave up to $1,720 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
$200 USD