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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG650480412

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG650480412

Diamond specifications and retailer prices

From $258 USD
As of October 30, 2026
Save $2,032 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,290 USD 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 LG650480412 or 650480412. Listed at 17 retailers as of October 30, 2026, with prices from $258 to $2,290, a $2,032 spread on the same certified stone. Do Amore Diamonds lists it at $2,290. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650480412
Dimensions6.66 × 7.52 × 4.39 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm7.52 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650480412
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 58.4%

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: $622 USD|Low: $247 USD|High: $1,430 USD|Avg: $677 USD|+3.2%
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
Retailer 14
November 2, 2026
Retailer 11$258 USD
Retailer 5$288 USD
Retailer 2$299 USD
Retailer 3$319 USD
Retailer 12$319 USD
Retailer 10$480 USD
Retailer 14$533 USD
Retailer 1$622 USD
Retailer 4$646 USD
Retailer 8$858 USD
Retailer 9$981 USD
Retailer 13$1,133 USD
Retailer 6$1,370 USD
Retailer 7$1,420 USD

43 data points across 14 retailers

17 retailers$258 USD to $2,290 USD

A
Cheapest Retailer
-
$258 USD
A
Retailer 2
-
$288 USD
View
Final sale: no returns
A
Retailer 3
-
$299 USD
View
A
Retailer 4
-
$319 USD
View
Retailer 5
-
$319 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$385 USD
View
A
Retailer 7
-
$480 USD
View
B+
Retailer 8
-
$533 USD
View
B+
Retailer 9
-
$622 USD
£490 GBP
View
B+
Retailer 10
-
$646 USD
View
B+
Retailer 11
-
$858 USD
A$1,320 AUD
View
B
Retailer 12
-
$981 USD
View
B
Retailer 13
-
$1,133 USD
View
B
Retailer 14
-
$1,299 USD
View
B
Retailer 15
-
$1,375 USD
View
B
Retailer 16
-
$1,420 USD
£1,118 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C24E8FBC2 · Oct 31
$2,290 USD
View
16 more retailers have this diamond
Prices start from $258 USDSave up to $2,032 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
$258 USD