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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG680535731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG680535731

Diamond specifications and retailer prices

From HK$7,014 HKD
$894 USD
As of October 30, 2026
Save HK$21,244 HKD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$28,258 HKD 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 LG680535731 or 680535731. Listed at 21 retailers as of October 30, 2026, with prices from HK$7,014 to HK$28,258, a HK$21,244 spread on the same certified stone. Taylor and Hart lists it at HK$28,258. 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 angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680535731
Dimensions10.07 × 11.28 × 6.84 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm11.28 mm4.50 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680535731
Side View
Table 59.0%Crown 35.7°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.6%

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: HK$17,431 HKD|Low: HK$6,732 HKD|High: HK$28,213 HKD|Avg: HK$15,942 HKD|+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 16HK$7,014 HKD
Retailer 11HK$7,040 HKD
Retailer 6HK$7,854 HKD
Retailer 7HK$8,136 HKD
Retailer 17HK$8,136 HKD
Retailer 14HK$9,493 HKD
Retailer 9HK$11,329 HKD
Retailer 10HK$12,522 HKD
Retailer 4HK$13,055 HKD
Retailer 12HK$17,317 HKD
Retailer 1HK$17,431 HKD
Retailer 15HK$18,100 HKD
Retailer 5HK$22,878 HKD
Retailer 3HK$25,451 HKD
Retailer 2HK$25,496 HKD
Retailer 8HK$26,556 HKD
Retailer 13HK$27,740 HKD

43 data points across 17 retailers

21 retailersHK$7,014 HKD to HK$28,258 HKD

A
Cheapest Retailer
-
HK$7,014 HKD
$894 USD
A
Retailer 2
-
HK$7,040 HKD
£707 GBP
View
A
Retailer 3
-
HK$7,634 HKD
$973 USD
View
A
Retailer 4
-
HK$7,854 HKD
$1,001 USD
View
Final sale: no returns
A
Retailer 5
-
HK$8,136 HKD
$1,037 USD
View
Retailer 6
-
HK$8,136 HKD
$1,037 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
HK$9,139 HKD
View
A
Retailer 8
-
HK$9,493 HKD
$1,210 USD
View
A
Retailer 9
-
HK$11,329 HKD
$1,444 USD
View
A
Retailer 10
-
HK$12,522 HKD
£1,257 GBP
View
A
Retailer 11
-
HK$13,055 HKD
$1,664 USD
View
B+
Retailer 12
-
HK$15,880 HKD
$2,024 USD
View
B+
Retailer 13
-
HK$17,317 HKD
ZAR 35,658 ZAR
View
B+
Retailer 14
-
HK$17,431 HKD
A$3,418 AUD
View
B+
Retailer 15
-
HK$18,100 HKD
$2,307 USD
View
B
Retailer 16
-
HK$22,878 HKD
$2,916 USD
View
B
Retailer 17
-
HK$25,451 HKD
$3,244 USD
View
B
Retailer 18
-
HK$25,496 HKD
$3,250 USD
View
B
Retailer 19
-
HK$26,556 HKD
SGD 4,574 SGD
View
B
Retailer 20
-
HK$27,740 HKD
£2,784 GBP
View
Most Expensive
B
Taylor and Hart
E410M58 · Oct 30
HK$28,258 HKD
$3,602 USD
View
20 more retailers have this diamond
Prices start from HK$7,014 HKDSave up to HK$21,244 HKD

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
HK$7,014 HKD