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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG707537705

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG707537705

Diamond specifications and retailer prices

From $958 USD
As of October 31, 2026
Save $2,945 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,980 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG707537705 or 707537705. Listed at 21 retailers as of October 31, 2026, with a 307% 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

3.51
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707537705
Dimensions8.84 × 10.48 × 6.28 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.84 mm10.48 mm3.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707537705
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 59.9%

Caratlytics Score

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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 31
Current: $1,688 USD|Low: $958 USD|High: $3,766 USD|Avg: $1,978 USD|+0.4%
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 1, 2026
Retailer 4$958 USD
Retailer 3$992 USD
Retailer 5$1,172 USD
Retailer 14$1,195 USD
Retailer 9$1,340 USD
Retailer 6$1,399 USD
Retailer 1$1,688 USD
Retailer 12$2,150 USD
Retailer 13$2,282 USD
Retailer 7$2,474 USD
Retailer 10$2,544 USD
Retailer 8$2,932 USD
Retailer 2$3,104 USD
Retailer 11$3,735 USD

42 data points across 14 retailers

21 retailers$958 USD to $3,903 USD

Retailer 1
-
$821 USD
Price last confirmed 29 days ago
Retailer 2
-
$931 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$958 USD
View
Final sale: no returns
Retailer 4
-
$992 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,195 USD
View
A
Retailer 6
-
$1,288 USD
View
A
Retailer 7
-
$1,340 USD
£1,055 GBP
View
A
Retailer 8
-
$1,399 USD
View
B+
Retailer 9
-
$1,688 USD
£1,329 GBP
View
B+
Retailer 10
-
$2,150 USD
A$3,308 AUD
View
B+
Retailer 11
-
$2,282 USD
View
B
Retailer 12
-
$2,474 USD
A$3,806 AUD
View
B+
Retailer 13
-
$2,544 USD
ZAR 41,094 ZAR
View
B
Retailer 14
-
$2,932 USD
A$4,510 AUD
View
Retailer 15
-
$3,080 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$3,104 USD
View
B
Retailer 17
-
$3,256 USD
View
B
Retailer 18
-
$3,735 USD
£2,941 GBP
View
B
Retailer 19
-
$3,903 USD
View
Retailer 20
-
$7,600 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-707537705 · Oct 31
$7,980 USD
View
Price under review
20 more retailers have this diamond
Prices start from $958 USDSave up to $2,945 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
$958 USD