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Heart|Lab Grown|IGI

4.51ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG671440062

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671440062

Diamond specifications and retailer prices

From $1,147 USD
As of October 29, 2026
Save $3,514 USD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,100 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown heart diamond

This 4.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG671440062 or 671440062. Listed at 20 retailers as of October 29, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671440062
Dimensions9.43 × 11.30 × 6.83 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm11.30 mm4.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671440062
Side View
Table 62.0%Crown 38.9°Girdle: THK-VTKPavilion 41.3°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,100 USD|Low: $1,137 USD|High: $9,100 USD|Avg: $2,922 USD
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
October 30, 2026
Retailer 11$1,137 USD
Retailer 14$1,147 USD
Retailer 12$1,315 USD
Retailer 6$1,418 USD
Retailer 2$1,902 USD
Retailer 8$2,430 USD
Retailer 13$2,483 USD
Retailer 7$2,792 USD
Retailer 9$2,808 USD
Retailer 3$3,611 USD
Retailer 4$3,684 USD
Retailer 5$3,782 USD
Retailer 10$4,237 USD
Do Amore Diamonds$9,100 USD

42 data points across 14 retailers

20 retailers$1,147 USD to $4,661 USD

Retailer 1
-
$983 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,115 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$1,137 USD
£896 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,147 USD
View
Final sale: no returns
Retailer 5
-
$1,188 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$1,315 USD
View
A
Retailer 7
-
$1,595 USD
View
A
Retailer 8
-
$1,674 USD
View
B+
Retailer 9
-
$1,902 USD
£1,497 GBP
View
B+
Retailer 10
-
$2,430 USD
A$3,738 AUD
View
Retailer 11
-
$2,459 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$2,483 USD
View
B+
Retailer 13
-
$2,792 USD
ZAR 45,102 ZAR
View
Retailer 14
-
$2,808 USD
A$4,320 AUD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$3,611 USD
View
B
Retailer 16
-
$3,684 USD
View
Retailer 17
-
$3,782 USD
A$5,819 AUD
View
Price last confirmed 26 days ago
Retailer 18
-
$4,237 USD
£3,336 GBP
View
Price last confirmed 9 days ago
B
Retailer 19
-
$4,661 USD
View
Most Expensive
Do Amore Diamonds
27-2D89F9AD6 · Oct 30
$9,100 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,147 USDSave up to $3,514 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
4.51ct Heart
$1,147 USD