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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG735517685

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735517685

Diamond specifications and retailer prices

From HK$2,903 HKD
$370 USD
As of October 30, 2026
Save HK$11,156 HKD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$14,059 HKD at MOH London · As of November 1, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735517685 or 735517685. Listed at 21 retailers as of October 30, 2026, with prices from HK$2,903 to HK$14,059, a HK$11,156 spread on the same certified stone. MOH London lists it at HK$14,059. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735517685
Dimensions7.37 × 7.76 × 4.46 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
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
7.37 mm7.76 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735517685
Side View
Table 60.0%Crown 40.8°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$14,059 HKD|Low: HK$2,785 HKD|High: HK$14,229 HKD|Avg: HK$6,566 HKD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12HK$2,903 HKD
Retailer 5HK$3,366 HKD
Retailer 13HK$3,601 HKD
Retailer 2HK$3,704 HKD
Retailer 10HK$4,786 HKD
Retailer 4HK$4,825 HKD
Retailer 7HK$5,775 HKD
Retailer 9HK$6,182 HKD
Retailer 6HK$6,442 HKD
Retailer 8HK$8,348 HKD
Retailer 11HK$10,552 HKD
Retailer 3HK$12,537 HKD
MOH LondonHK$14,059 HKD

34 data points across 13 retailers

21 retailersHK$2,903 HKD to HK$14,059 HKD

A
Cheapest Retailer
-
HK$2,903 HKD
$370 USD
A
Retailer 2
-
HK$3,240 HKD
$413 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,366 HKD
$429 USD
View
Retailer 4
-
HK$3,601 HKD
$459 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$3,601 HKD
$459 USD
View
A
Retailer 6
-
HK$3,704 HKD
£372 GBP
View
A
Retailer 7
-
HK$4,786 HKD
$610 USD
View
A
Retailer 8
-
HK$4,825 HKD
$615 USD
View
A
Retailer 9
-
HK$5,586 HKD
$712 USD
View
A
Retailer 10
-
HK$5,775 HKD
€701 EUR
View
A
Retailer 11
-
HK$6,182 HKD
ZAR 12,730 ZAR
View
A
Retailer 12
-
HK$6,442 HKD
£647 GBP
View
A
Retailer 13
-
HK$8,167 HKD
$1,041 USD
View
A
Retailer 14
-
HK$8,348 HKD
A$1,637 AUD
View
B+
Retailer 15
-
HK$10,552 HKD
$1,345 USD
View
B+
Retailer 16
-
HK$11,549 HKD
$1,472 USD
View
B+
Retailer 17
-
HK$11,565 HKD
$1,474 USD
View
B+
Retailer 18
-
HK$11,875 HKD
$1,514 USD
View
B+
Retailer 19
-
HK$12,537 HKD
$1,598 USD
View
B
Retailer 20
-
HK$13,589 HKD
$1,732 USD
View
Most Expensive
B+
MOH London
LG735517685 · Nov 1
HK$14,059 HKD
£1,411 GBP
View
20 more retailers have this diamond
Prices start from HK$2,903 HKDSave up to HK$11,156 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$2,903 HKD