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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG680535730

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG680535730

Diamond specifications and retailer prices

From $1,273 AUD
$894 USD
As of October 30, 2026
Save $3,855 AUD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,127 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.5ct lab-grown heart diamond

This 4.5ct 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 LG680535730 or 680535730. Listed at 21 retailers as of October 30, 2026, with prices from $1,273 to $5,127, a $3,855 spread on the same certified stone. Taylor and Hart lists it at $5,127. 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

4.50
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680535730
Dimensions10.06 × 11.14 × 6.74 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.06 mm11.14 mm4.50 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680535730
Side View
Table 60.0%Crown 39°Girdle: MED-THKPavilion 40°Culet: NoneDepth 60.5%

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 30
Current: $3,163 AUD|Low: $1,221 AUD|High: $5,119 AUD|Avg: $2,894 AUD|+0.1%
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16$1,273 AUD
Retailer 11$1,277 AUD
Retailer 6$1,425 AUD
Retailer 7$1,476 AUD
Retailer 17$1,476 AUD
Retailer 14$1,723 AUD
Retailer 9$2,056 AUD
Retailer 10$2,272 AUD
Retailer 4$2,369 AUD
Retailer 12$3,142 AUD
Retailer 1$3,163 AUD
Retailer 15$3,284 AUD
Retailer 5$4,151 AUD
Retailer 3$4,618 AUD
Retailer 2$4,626 AUD
Retailer 8$4,819 AUD
Retailer 13$5,033 AUD

42 data points across 17 retailers

21 retailers$1,273 AUD to $5,127 AUD

A
Cheapest Retailer
-
$1,273 AUD
$894 USD
A
Retailer 2
-
$1,277 AUD
£707 GBP
View
A
Retailer 3
-
$1,385 AUD
$973 USD
View
A
Retailer 4
-
$1,425 AUD
$1,001 USD
View
Final sale: no returns
Retailer 5
-
$1,476 AUD
$1,037 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,476 AUD
$1,037 USD
View
A
Retailer 7
-
$1,658 AUD
HK$9,100 HKD
View
A
Retailer 8
-
$1,723 AUD
$1,210 USD
View
A
Retailer 9
-
$2,056 AUD
$1,444 USD
View
A
Retailer 10
-
$2,272 AUD
£1,257 GBP
View
A
Retailer 11
-
$2,369 AUD
$1,664 USD
View
B+
Retailer 12
-
$2,881 AUD
$2,024 USD
View
B+
Retailer 13
-
$3,142 AUD
ZAR 35,658 ZAR
View
B+
Retailer 14
-
$3,163 AUD
View
B+
Retailer 15
-
$3,284 AUD
$2,307 USD
View
B
Retailer 16
-
$4,151 AUD
$2,916 USD
View
B
Retailer 17
-
$4,618 AUD
$3,244 USD
View
B
Retailer 18
-
$4,626 AUD
$3,250 USD
View
B
Retailer 19
-
$4,819 AUD
SGD 4,574 SGD
View
B
Retailer 20
-
$5,033 AUD
£2,784 GBP
View
Most Expensive
B
Taylor and Hart
7UKIOFB · Oct 31
$5,127 AUD
$3,602 USD
View
20 more retailers have this diamond
Prices start from $1,273 AUDSave up to $3,855 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
4.50ct Heart
$1,273 AUD