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Heart|Lab Grown|IGI

0.51ct E IF Heart Lab Grown Diamond

VG • E/IF • IGI LG840620855

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840620855

Diamond specifications and retailer prices

From HK$1,428 HKD
$182 USD
As of October 27, 2026
Save HK$7,491 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,919 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG840620855 or 840620855. Listed at 13 retailers as of October 27, 2026, with prices from HK$1,428 to HK$8,919, a HK$7,491 spread on the same certified stone. Reve Diamonds lists it at HK$8,919. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840620855
Dimensions5.05 × 5.54 × 3.11 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.05 mm5.54 mm0.51 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840620855
Side View
Table 61.0%Crown 35.9°Girdle: THN-STKPavilion 38.7°Culet: NoneDepth 56.1%

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 27
Current: HK$3,199 HKD|Low: HK$1,428 HKD|High: HK$8,919 HKD|Avg: HK$3,731 HKD|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 11HK$1,428 HKD
Retailer 6HK$1,593 HKD
Retailer 8HK$1,656 HKD
Retailer 7HK$2,495 HKD
Retailer 10HK$2,715 HKD
Retailer 4HK$3,057 HKD
Retailer 1HK$3,199 HKD
Retailer 9HK$3,204 HKD
Retailer 2HK$3,711 HKD
Retailer 3HK$6,123 HKD
Retailer 5HK$8,331 HKD
Reve DiamondsHK$8,919 HKD

5 data points across 12 retailers

13 retailersHK$1,428 HKD to HK$8,919 HKD

A
Cheapest Retailer
-
HK$1,428 HKD
$182 USD
A
Retailer 2
-
HK$1,593 HKD
$203 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,656 HKD
$211 USD
View
A
Retailer 4
-
HK$2,495 HKD
$318 USD
View
B+
Retailer 5
-
HK$2,715 HKD
$346 USD
View
B+
Retailer 6
-
HK$3,057 HKD
€371 EUR
View
B+
Retailer 7
-
HK$3,199 HKD
£321 GBP
View
B+
Retailer 8
-
HK$3,204 HKD
ZAR 6,596 ZAR
View
B+
Retailer 9
-
HK$3,711 HKD
$473 USD
View
B
Retailer 10
-
HK$4,551 HKD
$580 USD
View
B
Retailer 11
-
HK$6,123 HKD
$780 USD
View
B
Retailer 12
-
HK$8,331 HKD
£836 GBP
View
Most Expensive
B
Reve Diamonds
D83AA3E1D · Oct 30
HK$8,919 HKD
$1,137 USD
View
12 more retailers have this diamond
Prices start from HK$1,428 HKDSave up to HK$7,491 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
0.51ct Heart
HK$1,428 HKD