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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG835608021

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835608021

Diamond specifications and retailer prices

From HK$2,448 HKD
$312 USD
As of October 30, 2026
Save HK$20,932 HKD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$23,380 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 LG835608021 or 835608021. Listed at 21 retailers as of October 30, 2026, with prices from HK$2,448 to HK$23,380, a HK$20,932 spread on the same certified stone. Brilliant Earth lists it at HK$23,380. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835608021
Dimensions6.66 × 7.89 × 4.72 mm
L/W Ratio1.18
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
6.66 mm7.89 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835608021
Side View
Table 57.0%Crown 38.3°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 59.8%

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$23,380 HKD|Low: HK$2,369 HKD|High: HK$23,380 HKD|Avg: HK$7,999 HKD|+0.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 3HK$2,448 HKD
Retailer 11HK$3,013 HKD
Retailer 8HK$3,028 HKD
Retailer 12HK$3,121 HKD
Retailer 5HK$3,358 HKD
Retailer 15HK$4,551 HKD
Retailer 4HK$4,927 HKD
Retailer 2HK$5,228 HKD
Retailer 13HK$5,399 HKD
Retailer 19HK$5,649 HKD
Retailer 9HK$7,022 HKD
Retailer 17HK$7,618 HKD
Retailer 18HK$8,010 HKD
Retailer 7HK$10,109 HKD
Retailer 14HK$11,651 HKD
Retailer 10HK$12,096 HKD
Retailer 6HK$12,160 HKD
Retailer 16HK$18,344 HKD
Brilliant EarthHK$23,380 HKD

27 data points across 19 retailers

21 retailersHK$2,448 HKD to HK$23,380 HKD

A
Cheapest Retailer
-
HK$2,448 HKD
$312 USD
Retailer 2
-
HK$2,958 HKD
$377 USD
View
Price last confirmed 34 days ago
Retailer 3
-
HK$3,013 HKD
$384 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$3,028 HKD
$386 USD
View
A
Retailer 5
-
HK$3,121 HKD
£313 GBP
View
A
Retailer 6
-
HK$3,358 HKD
$428 USD
View
Final sale: no returns
A
Retailer 7
-
HK$4,551 HKD
$580 USD
View
A
Retailer 8
-
HK$4,927 HKD
$628 USD
View
A
Retailer 9
-
HK$5,228 HKD
ZAR 10,765 ZAR
View
A
Retailer 10
-
HK$5,399 HKD
£542 GBP
View
A
Retailer 11
-
HK$5,649 HKD
$720 USD
View
A
Retailer 12
-
HK$7,022 HKD
A$1,377 AUD
View
A
Retailer 13
-
HK$7,618 HKD
$971 USD
View
A
Retailer 14
-
HK$8,010 HKD
$1,021 USD
View
Retailer 15
-
HK$9,925 HKD
$1,265 USD
View
Price last confirmed 32 days ago
B+
Retailer 16
-
HK$10,109 HKD
$1,288 USD
View
B+
Retailer 17
-
HK$11,651 HKD
$1,485 USD
View
B+
Retailer 18
-
HK$12,096 HKD
£1,214 GBP
View
B+
Retailer 19
-
HK$12,160 HKD
$1,550 USD
View
B
Retailer 20
-
HK$18,344 HKD
A$3,597 AUD
View
Most Expensive
B
Brilliant Earth
21696528A · Oct 31
HK$23,380 HKD
$2,980 USD
View
20 more retailers have this diamond
Prices start from HK$2,448 HKDSave up to HK$20,932 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$2,448 HKD