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Heart|Lab Grown|IGI

4.55ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG712536491

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712536491

Diamond specifications and retailer prices

From HK$6,269 HKD
$799 USD
As of October 29, 2026
Save HK$60,263 HKD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$66,532 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.55ct lab-grown heart diamond

This 4.55ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG712536491 or 712536491. Listed at 16 retailers as of October 29, 2026, with prices from HK$6,269 to HK$66,532, a HK$60,263 spread on the same certified stone. Brilliant Earth lists it at HK$66,532. 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

4.55
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712536491
Dimensions9.78 × 11.58 × 6.97 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.78 mm11.58 mm4.55 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712536491
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

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 29
Current: HK$66,532 HKD|Low: HK$5,442 HKD|High: HK$82,929 HKD|Avg: HK$18,135 HKD|-19.8%
Brilliant Earth
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 15HK$5,442 HKD
Retailer 16HK$6,269 HKD
Retailer 6HK$6,410 HKD
Retailer 5HK$6,496 HKD
Retailer 13HK$8,003 HKD
Retailer 7HK$9,925 HKD
Retailer 10HK$10,421 HKD
Retailer 17HK$10,545 HKD
Retailer 12HK$13,833 HKD
Retailer 2HK$13,927 HKD
Retailer 14HK$16,005 HKD
Retailer 8HK$16,194 HKD
Retailer 3HK$21,203 HKD
Retailer 4HK$22,172 HKD
Retailer 9HK$22,407 HKD
Retailer 11HK$25,657 HKD
Brilliant EarthHK$66,532 HKD

36 data points across 17 retailers

16 retailersHK$6,269 HKD to HK$66,532 HKD

Retailer 1
-
HK$5,442 HKD
£546 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
HK$6,269 HKD
$799 USD
View
Final sale: no returns
Retailer 3
-
HK$6,410 HKD
$817 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 5
-
HK$9,925 HKD
$1,265 USD
View
A
Retailer 6
-
HK$10,421 HKD
£1,046 GBP
View
B+
Retailer 7
-
HK$10,545 HKD
$1,344 USD
View
A
Retailer 8
-
HK$13,833 HKD
ZAR 28,484 ZAR
View
A
Retailer 9
-
HK$13,927 HKD
A$2,731 AUD
View
B+
Retailer 10
-
HK$16,005 HKD
$2,040 USD
View
B+
Retailer 11
-
HK$16,194 HKD
$2,064 USD
View
B+
Retailer 12
-
HK$21,203 HKD
$2,702 USD
View
B+
Retailer 13
-
HK$22,172 HKD
$2,826 USD
View
B+
Retailer 14
-
HK$22,407 HKD
$2,856 USD
View
B+
Retailer 15
-
HK$25,657 HKD
£2,575 GBP
View
Most Expensive
B
Brilliant Earth
14871371A · Oct 30
HK$66,532 HKD
$8,480 USD
View
15 more retailers have this diamond
Prices start from HK$6,269 HKDSave up to HK$60,263 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
4.55ct Heart
HK$6,269 HKD