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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG632488346

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG632488346

Diamond specifications and retailer prices

From HK$2,628 HKD
$335 USD
As of October 30, 2026
Save HK$22,478 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$25,106 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG632488346 or 632488346. Listed at 22 retailers as of October 30, 2026, with prices from HK$2,628 to HK$25,106, a HK$22,478 spread on the same certified stone. Brilliant Earth lists it at HK$25,106. 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 angle32.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632488346
Dimensions7.11 × 8.03 × 4.55 mm
L/W Ratio1.13
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
7.11 mm8.03 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632488346
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 56.7%

Caratlytics Score

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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$25,106 HKD|Low: HK$2,526 HKD|High: HK$27,303 HKD|Avg: HK$8,422 HKD|-8.0%
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
November 1, 2026
Retailer 14HK$2,628 HKD
Retailer 6HK$3,052 HKD
Retailer 3HK$3,256 HKD
Retailer 7HK$3,355 HKD
Retailer 5HK$4,378 HKD
Retailer 11HK$4,472 HKD
Retailer 10HK$5,599 HKD
Retailer 8HK$5,838 HKD
Retailer 12HK$8,065 HKD
Retailer 13HK$10,121 HKD
Retailer 4HK$10,474 HKD
Retailer 2HK$13,053 HKD
Retailer 9HK$18,344 HKD
Brilliant EarthHK$25,106 HKD

36 data points across 14 retailers

22 retailersHK$2,628 HKD to HK$25,106 HKD

A
Cheapest Retailer
-
HK$2,628 HKD
$335 USD
A
Retailer 2
-
HK$2,934 HKD
$374 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,052 HKD
$389 USD
View
Retailer 4
-
HK$3,256 HKD
$415 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$3,256 HKD
$415 USD
View
A
Retailer 6
-
HK$3,355 HKD
£337 GBP
View
A
Retailer 7
-
HK$4,378 HKD
$558 USD
View
A
Retailer 8
-
HK$4,472 HKD
$570 USD
View
A
Retailer 9
-
HK$5,599 HKD
ZAR 11,529 ZAR
View
A
Retailer 10
-
HK$5,838 HKD
£586 GBP
View
A
Retailer 11
-
HK$5,853 HKD
$746 USD
View
A
Retailer 12
-
HK$8,065 HKD
$1,028 USD
View
A
Retailer 13
-
HK$8,065 HKD
$1,028 USD
View
B+
Retailer 14
-
HK$10,121 HKD
$1,290 USD
View
B+
Retailer 15
-
HK$10,474 HKD
$1,335 USD
View
B+
Retailer 16
-
HK$10,816 HKD
$1,379 USD
View
B+
Retailer 17
-
HK$12,310 HKD
$1,569 USD
View
B+
Retailer 18
-
HK$12,743 HKD
$1,624 USD
View
B+
Retailer 19
-
HK$13,053 HKD
£1,310 GBP
View
B
Retailer 20
-
HK$18,344 HKD
A$3,597 AUD
View
B
Retailer 21
-
HK$21,821 HKD
£2,190 GBP
View
Most Expensive
B
Brilliant Earth
13387894A · Oct 31
HK$25,106 HKD
$3,200 USD
View
21 more retailers have this diamond
Prices start from HK$2,628 HKDSave up to HK$22,478 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$2,628 HKD