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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG844658089

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844658089

Diamond specifications and retailer prices

From $730 USD
HK$5,700 HKD
As of October 30, 2026
Save $3,670 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,400 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG844658089 or 844658089. Listed at 12 retailers as of October 30, 2026, with prices from $730 to $4,400, a $3,670 spread on the same certified stone. Brilliant Earth lists it at $4,400. 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

3.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844658089
Dimensions9.45 × 10.66 × 6.14 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm10.66 mm3.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844658089
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 39.3°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: Oct 30
Current: $4,400 USD|Low: $606 USD|High: $7,420 USD|Avg: $1,869 USD|-40.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10$606 USD
Retailer 7$730 USD
Retailer 11$769 USD
Retailer 8$805 USD
Retailer 5$969 USD
Retailer 3$1,039 USD
Retailer 12$1,041 USD
Retailer 9$1,570 USD
Retailer 2$2,105 USD
Retailer 4$2,182 USD
Retailer 13$2,809 USD
Retailer 6$2,919 USD
Brilliant Earth$4,400 USD

6 data points across 13 retailers

12 retailers$730 USD to $4,400 USD

A
Cheapest Retailer
-
$730 USD
HK$5,700 HKD
A
Retailer 2
-
$769 USD
£606 GBP
View
A
Retailer 3
-
$805 USD
View
A
Retailer 4
-
$969 USD
View
B+
Retailer 5
-
$1,039 USD
View
A
Retailer 6
-
$1,041 USD
£819 GBP
View
B+
Retailer 7
-
$1,570 USD
View
B+
Retailer 8
-
$2,105 USD
SGD 2,845 SGD
View
B+
Retailer 9
-
$2,182 USD
View
B
Retailer 10
-
$2,809 USD
£2,212 GBP
View
B
Retailer 11
-
$2,919 USD
View
Most Expensive
B
Brilliant Earth
22251484A · Oct 31
$4,400 USD
View
11 more retailers have this diamond
Prices start from $730 USDSave up to $3,670 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
3.51ct Heart
$730 USD