CaratHunter
Plans
Heart|Lab Grown|IGI

6.40ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG571325463

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG571325463

Diamond specifications and retailer prices

From $846 USD
As of November 2, 2026
Save $6,664 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,510 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 6.4ct lab-grown heart diamond

This 6.4ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571325463 or 571325463. Listed at 16 retailers as of November 1, 2026, with prices from $846 to $7,510, a $6,664 spread on the same certified stone. Do Amore Diamonds lists it at $7,510. 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

6.40
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571325463
Dimensions11.46 × 13.01 × 7.50 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.46 mm13.01 mm6.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571325463
Side View
Table 56.5%Crown 34.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.6%

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: Nov 2
Current: $7,510 USD|Low: $679 USD|High: $8,930 USD|Avg: $2,608 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 15$846 USD
Retailer 3$921 USD
Retailer 5$948 USD
Retailer 4$982 USD
Retailer 16$982 USD
Retailer 13$1,155 USD
Retailer 2$1,160 USD
Retailer 6$1,483 USD
Retailer 17$1,579 USD
Retailer 9$1,588 USD
Retailer 10$1,768 USD
Retailer 12$2,008 USD
Retailer 14$2,257 USD
Retailer 18$3,046 USD
Retailer 11$3,674 USD
Retailer 8$3,861 USD
Do Amore Diamonds$7,510 USD
Retailer 7$8,930 USD

34 data points across 18 retailers

16 retailers$846 USD to $7,510 USD

A
Cheapest Retailer
-
$846 USD
A
Retailer 2
-
$921 USD
View
A
Retailer 3
-
$948 USD
View
Final sale: no returns
A
Retailer 4
-
$982 USD
View
Retailer 5
-
$982 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,155 USD
View
A
Retailer 7
-
$1,160 USD
£914 GBP
View
A
Retailer 8
-
$1,483 USD
View
B+
Retailer 9
-
$1,579 USD
View
A
Retailer 10
-
$1,588 USD
View
B+
Retailer 11
-
$2,008 USD
A$3,089 AUD
View
B+
Retailer 12
-
$2,257 USD
View
B+
Retailer 13
-
$3,046 USD
View
B
Retailer 14
-
$3,674 USD
£2,893 GBP
View
B
Retailer 15
-
$3,861 USD
View
Most Expensive
B
Do Amore Diamonds
27-1528B3BDA · Nov 1
$7,510 USD
View
15 more retailers have this diamond
Prices start from $846 USDSave up to $6,664 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
6.40ct Heart
$846 USD