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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG761554401

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG761554401

Diamond specifications and retailer prices

From HK$2,683 HKD
$342 USD
As of October 30, 2026
Save HK$13,087 HKD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$15,770 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761554401 or 761554401. Listed at 22 retailers as of October 30, 2026, with prices from HK$2,683 to HK$15,770, a HK$13,087 spread on the same certified stone. Brilliant Earth lists it at HK$15,770. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554401
Dimensions6.10 × 6.88 × 4.10 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.10 mm6.88 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554401
Side View
Table 55.0%Crown 35.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 59.6%

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$15,770 HKD|Low: HK$2,573 HKD|High: HK$18,830 HKD|Avg: HK$6,777 HKD|-16.3%
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
November 1, 2026
Retailer 14HK$2,683 HKD
Retailer 9HK$2,997 HKD
Retailer 4HK$3,115 HKD
Retailer 5HK$3,327 HKD
Retailer 15HK$3,327 HKD
Retailer 12HK$4,511 HKD
Retailer 7HK$5,170 HKD
Retailer 11HK$5,717 HKD
Retailer 8HK$5,972 HKD
Retailer 10HK$8,083 HKD
Retailer 13HK$8,254 HKD
Retailer 6HK$8,860 HKD
Retailer 3HK$10,694 HKD
Retailer 2HK$13,332 HKD
Brilliant EarthHK$15,770 HKD

44 data points across 15 retailers

22 retailersHK$2,683 HKD to HK$15,770 HKD

A
Cheapest Retailer
-
HK$2,683 HKD
$342 USD
A
Retailer 2
-
HK$2,997 HKD
$382 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,115 HKD
$397 USD
View
Retailer 4
-
HK$3,327 HKD
$424 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$3,327 HKD
$424 USD
View
A
Retailer 6
-
HK$3,716 HKD
View
B+
Retailer 7
-
HK$4,472 HKD
$570 USD
View
B+
Retailer 8
-
HK$4,511 HKD
$575 USD
View
B+
Retailer 9
-
HK$4,621 HKD
$589 USD
View
B+
Retailer 10
-
HK$5,170 HKD
$659 USD
View
B+
Retailer 11
-
HK$5,717 HKD
ZAR 11,772 ZAR
View
B+
Retailer 12
-
HK$5,972 HKD
£599 GBP
View
B+
Retailer 13
-
HK$8,083 HKD
A$1,585 AUD
View
B
Retailer 14
-
HK$8,254 HKD
$1,052 USD
View
B
Retailer 15
-
HK$8,860 HKD
SGD 1,526 SGD
View
B
Retailer 16
-
HK$10,694 HKD
$1,363 USD
View
B
Retailer 17
-
HK$11,030 HKD
$1,406 USD
View
B
Retailer 18
-
HK$12,043 HKD
$1,535 USD
View
B
Retailer 19
-
HK$12,920 HKD
$1,647 USD
View
B
Retailer 20
-
HK$13,332 HKD
£1,338 GBP
View
B
Retailer 21
-
HK$13,551 HKD
£1,360 GBP
View
Most Expensive
B
Brilliant Earth
18451958A · Oct 31
HK$15,770 HKD
$2,010 USD
View
21 more retailers have this diamond
Prices start from HK$2,683 HKDSave up to HK$13,087 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
1.00ct Heart
HK$2,683 HKD