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Heart|Lab Grown|IGI

1.57ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG618401799

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618401799

Diamond specifications and retailer prices

From HK$6,747 HKD
$860 USD
As of October 30, 2026
Save HK$29,186 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$35,933 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618401799 or 618401799. Listed at 22 retailers as of October 30, 2026, with prices from HK$6,747 to HK$35,933, a HK$29,186 spread on the same certified stone. Brilliant Earth lists it at HK$35,933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401799
Dimensions7.38 × 8.05 × 4.60 mm
L/W Ratio1.09
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
7.38 mm8.05 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618401799
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 57.1%

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$35,933 HKD|Low: HK$6,630 HKD|High: HK$36,012 HKD|Avg: HK$16,519 HKD|-0.2%
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 1, 2026
Retailer 8HK$6,747 HKD
Retailer 4HK$7,344 HKD
Retailer 17HK$7,830 HKD
Retailer 14HK$8,089 HKD
Retailer 5HK$9,219 HKD
Retailer 18HK$9,650 HKD
Retailer 6HK$9,988 HKD
Retailer 11HK$11,204 HKD
Retailer 2HK$12,033 HKD
Retailer 13HK$14,029 HKD
Retailer 19HK$14,387 HKD
Retailer 15HK$16,405 HKD
Retailer 12HK$19,486 HKD
Retailer 3HK$22,007 HKD
Retailer 7HK$24,486 HKD
Retailer 10HK$27,145 HKD
Retailer 16HK$28,088 HKD
Retailer 9HK$29,374 HKD
Brilliant EarthHK$35,933 HKD

34 data points across 19 retailers

22 retailersHK$6,747 HKD to HK$35,933 HKD

A
Cheapest Retailer
-
HK$6,747 HKD
$860 USD
A
Retailer 2
-
HK$7,344 HKD
$936 USD
View
A
Retailer 3
-
HK$7,830 HKD
$998 USD
View
Retailer 4
-
HK$8,010 HKD
$1,021 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$8,089 HKD
$1,031 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$9,219 HKD
$1,175 USD
View
B+
Retailer 7
-
HK$9,650 HKD
$1,230 USD
View
B+
Retailer 8
-
HK$9,988 HKD
$1,273 USD
View
B+
Retailer 9
-
HK$11,204 HKD
$1,428 USD
View
B+
Retailer 10
-
HK$12,033 HKD
£1,208 GBP
View
B+
Retailer 11
-
HK$14,029 HKD
€1,703 EUR
View
B+
Retailer 12
-
HK$14,387 HKD
ZAR 29,624 ZAR
View
B+
Retailer 13
-
HK$16,405 HKD
$2,091 USD
View
Retailer 14
-
HK$19,415 HKD
A$3,807 AUD
View
Price last confirmed 157 days ago
B+
Retailer 15
-
HK$19,486 HKD
A$3,821 AUD
View
B
Retailer 16
-
HK$22,007 HKD
$2,805 USD
View
B
Retailer 17
-
HK$23,176 HKD
$2,954 USD
View
B
Retailer 18
-
HK$24,486 HKD
$3,121 USD
View
B
Retailer 19
-
HK$27,145 HKD
$3,460 USD
View
B
Retailer 20
-
HK$28,088 HKD
$3,580 USD
View
B
Retailer 21
-
HK$29,374 HKD
£2,948 GBP
View
Most Expensive
B
Brilliant Earth
11243115A · Oct 31
HK$35,933 HKD
$4,580 USD
View
21 more retailers have this diamond
Prices start from HK$6,747 HKDSave up to HK$29,186 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
1.57ct Heart
HK$6,747 HKD