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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 $1,364 AUD
$958 USD
As of October 31, 2026
Save $4,192 AUD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,360 AUD 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
Colour
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: $1,902 AUD|Low: $1,364 AUD|High: $5,361 AUD|Avg: $2,817 AUD|-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$1,364 AUD
Retailer 3$1,412 AUD
Retailer 5$1,668 AUD
Retailer 14$1,701 AUD
Retailer 1$1,902 AUD
Retailer 6$1,992 AUD
Retailer 7$2,404 AUD
Retailer 12$3,061 AUD
Retailer 13$3,249 AUD
Retailer 8$3,522 AUD
Retailer 10$3,621 AUD
Retailer 9$4,173 AUD
Retailer 2$4,419 AUD
Retailer 11$5,317 AUD

41 data points across 14 retailers

21 retailers$1,364 AUD to $5,556 AUD

Retailer 1
-
$1,169 AUD
$821 USD
Price last confirmed 30 days ago
Retailer 2
-
$1,325 AUD
$931 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$1,364 AUD
$958 USD
View
Final sale: no returns
Retailer 4
-
$1,412 AUD
$992 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$1,701 AUD
$1,195 USD
View
A
Retailer 6
-
$1,834 AUD
$1,288 USD
View
A
Retailer 7
-
$1,902 AUD
£1,052 GBP
View
A
Retailer 8
-
$1,992 AUD
$1,399 USD
View
B+
Retailer 9
-
$2,404 AUD
£1,329 GBP
View
B+
Retailer 10
-
$3,061 AUD
View
B+
Retailer 11
-
$3,249 AUD
$2,282 USD
View
B
Retailer 12
-
$3,522 AUD
View
B+
Retailer 13
-
$3,621 AUD
ZAR 41,094 ZAR
View
B
Retailer 14
-
$4,173 AUD
View
Retailer 15
-
$4,385 AUD
$3,080 USD
View
Price last confirmed 32 days ago
B
Retailer 16
-
$4,419 AUD
$3,104 USD
View
B
Retailer 17
-
$4,635 AUD
$3,256 USD
View
B
Retailer 18
-
$5,317 AUD
£2,941 GBP
View
B
Retailer 19
-
$5,556 AUD
$3,903 USD
View
Retailer 20
-
$10,819 AUD
$7,600 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-707537705 · Oct 31
$11,360 AUD
$7,980 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,364 AUDSave up to $4,192 AUD

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
$1,364 AUD