CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG706553053

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG706553053

Diamond specifications and retailer prices

From HK$3,656 HKD
$466 USD
As of October 30, 2026
Save HK$4,594 HKD (56%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$8,250 HKD at MOH London · As of October 26, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG706553053 or 706553053. Listed at 3 retailers as of October 26, 2026, with prices from HK$3,656 to HK$8,250, a HK$4,594 spread on the same certified stone. MOH London lists it at HK$8,250. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706553053
Dimensions6.82 × 7.95 × 4.66 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm7.95 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706553053
Side View
Table 61.0%Crown 35.8°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$8,250 HKD|Low: HK$3,342 HKD|High: HK$8,340 HKD|Avg: HK$5,474 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2HK$3,656 HKD
Retailer 4HK$3,748 HKD
Retailer 5HK$4,676 HKD
Retailer 3HK$7,347 HKD
MOH LondonHK$8,250 HKD

10 data points across 5 retailers

3 retailersHK$3,656 HKD to HK$8,250 HKD

B+
Cheapest Retailer
-
HK$3,656 HKD
$466 USD
B
Retailer 2
-
HK$7,347 HKD
$936 USD
View
Most Expensive
B
MOH London
LG706553053 · Oct 26
HK$8,250 HKD
£828 GBP
View
2 more retailers have this diamond
Prices start from HK$3,656 HKDSave up to HK$4,594 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.

B+
1.51ct Heart
HK$3,656 HKD