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Heart|Lab Grown|IGI

1.51ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG459130247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG459130247

Diamond specifications and retailer prices

From HK$1,640 HKD
$209 USD
As of October 30, 2026
Save HK$14,130 HKD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$15,770 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459130247 or 459130247. Listed at 8 retailers as of October 29, 2026, with prices from HK$1,640 to HK$15,770, a HK$14,130 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,770. 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

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459130247
Dimensions7.92 × 6.78 × 4.54 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.92 mm6.78 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459130247
Side View
Table 60.5%Crown 35.8°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 57.3%

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$15,770 HKD|Low: HK$1,247 HKD|High: HK$16,084 HKD|Avg: HK$5,839 HKD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4HK$1,640 HKD
Retailer 6HK$1,836 HKD
Retailer 5HK$3,499 HKD
Retailer 7HK$3,782 HKD
Retailer 8HK$4,076 HKD
Retailer 9HK$4,558 HKD
Retailer 10HK$5,839 HKD
Retailer 3HK$6,567 HKD
Retailer 2HK$9,017 HKD
Do Amore DiamondsHK$15,770 HKD

12 data points across 10 retailers

8 retailersHK$1,640 HKD to HK$15,770 HKD

A
Cheapest Retailer
-
HK$1,640 HKD
$209 USD
A
Retailer 2
-
HK$1,836 HKD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,907 HKD
$243 USD
View
B
Retailer 4
-
HK$3,499 HKD
$446 USD
View
B
Retailer 5
-
HK$6,567 HKD
$837 USD
View
B
Retailer 6
-
HK$7,218 HKD
$920 USD
View
B
Retailer 7
-
HK$9,017 HKD
£905 GBP
View
Most Expensive
C
Do Amore Diamonds
27-3A9B3D2D2 · Oct 29
HK$15,770 HKD
$2,010 USD
View
7 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$14,130 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
1.51ct Heart
HK$1,640 HKD