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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 $894 USD
As of October 30, 2026
Save $2,708 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,602 USD at Taylor and Hart · As of October 30, 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 $894 to $3,602, a $2,708 spread on the same certified stone. Taylor and Hart lists it at $3,602. 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
Color
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

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: $897 USD|Low: $858 USD|High: $3,596 USD|Avg: $2,032 USD|-0.6%
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 30, 2026
Retailer 16$894 USD
Retailer 1$897 USD
Retailer 6$1,001 USD
Retailer 7$1,037 USD
Retailer 17$1,037 USD
Retailer 13$1,210 USD
Retailer 9$1,444 USD
Retailer 10$1,593 USD
Retailer 4$1,664 USD
Retailer 11$2,207 USD
Retailer 14$2,220 USD
Retailer 15$2,307 USD
Retailer 5$2,916 USD
Retailer 3$3,244 USD
Retailer 2$3,250 USD
Retailer 8$3,385 USD
Retailer 12$3,536 USD

43 data points across 17 retailers

21 retailers$894 USD to $3,602 USD

A
Cheapest Retailer
-
$894 USD
A
Retailer 2
-
$897 USD
£707 GBP
View
A
Retailer 3
-
$973 USD
View
A
Retailer 4
-
$1,001 USD
View
Final sale: no returns
Retailer 5
-
$1,037 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,037 USD
View
A
Retailer 7
-
$1,165 USD
HK$9,100 HKD
View
A
Retailer 8
-
$1,210 USD
View
A
Retailer 9
-
$1,444 USD
View
A
Retailer 10
-
$1,593 USD
£1,254 GBP
View
A
Retailer 11
-
$1,664 USD
View
B+
Retailer 12
-
$2,024 USD
View
B+
Retailer 13
-
$2,207 USD
ZAR 35,658 ZAR
View
Retailer 14
-
$2,220 USD
A$3,415 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$2,307 USD
View
B
Retailer 16
-
$2,916 USD
View
B
Retailer 17
-
$3,244 USD
View
B
Retailer 18
-
$3,250 USD
View
B
Retailer 19
-
$3,385 USD
SGD 4,574 SGD
View
B
Retailer 20
-
$3,536 USD
£2,784 GBP
View
Most Expensive
B
Taylor and Hart
7UKIOFB · Oct 30
$3,602 USD
View
20 more retailers have this diamond
Prices start from $894 USDSave up to $2,708 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
4.50ct Heart
$894 USD