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Heart|Lab Grown|IGI

1.63ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632399

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632399

Diamond specifications and retailer prices

From HK$5,508 HKD
$702 USD
As of October 30, 2026
Save HK$25,404 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$30,912 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632399 or 840632399. Listed at 20 retailers as of October 30, 2026, with prices from HK$5,508 to HK$30,912, a HK$25,404 spread on the same certified stone. Brilliant Earth lists it at HK$30,912. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632399
Dimensions7.36 × 8.42 × 4.51 mm
L/W Ratio1.14
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
7.36 mm8.42 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632399
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 53.6%

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$30,912 HKD|Low: HK$5,508 HKD|High: HK$40,955 HKD|Avg: HK$15,127 HKD|-24.5%
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
Retailer 20
October 31, 2026
Retailer 7HK$5,508 HKD
Retailer 4HK$5,994 HKD
Retailer 18HK$6,386 HKD
Retailer 9HK$6,637 HKD
Retailer 11HK$7,069 HKD
Retailer 14HK$7,245 HKD
Retailer 19HK$7,767 HKD
Retailer 6HK$8,316 HKD
Retailer 3HK$10,144 HKD
Retailer 2HK$10,241 HKD
Retailer 17HK$10,388 HKD
Retailer 16HK$11,745 HKD
Retailer 13HK$14,311 HKD
Retailer 20HK$17,967 HKD
Retailer 8HK$21,089 HKD
Retailer 5HK$22,033 HKD
Retailer 15HK$25,229 HKD
Retailer 12HK$25,325 HKD
Retailer 10HK$27,005 HKD
Brilliant EarthHK$30,912 HKD

24 data points across 20 retailers

20 retailersHK$5,508 HKD to HK$30,912 HKD

A
Cheapest Retailer
-
HK$5,508 HKD
$702 USD
A
Retailer 2
-
HK$5,994 HKD
$764 USD
View
A
Retailer 3
-
HK$6,386 HKD
$814 USD
View
Retailer 4
-
HK$6,637 HKD
$846 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$7,069 HKD
$901 USD
View
Final sale: no returns
A
Retailer 6
-
HK$7,245 HKD
£727 GBP
View
A
Retailer 7
-
HK$7,767 HKD
$990 USD
View
A
Retailer 8
-
HK$8,316 HKD
$1,060 USD
View
B+
Retailer 9
-
HK$10,144 HKD
$1,293 USD
View
B+
Retailer 10
-
HK$10,241 HKD
£1,028 GBP
View
B+
Retailer 11
-
HK$10,388 HKD
$1,324 USD
View
B+
Retailer 12
-
HK$11,745 HKD
ZAR 24,185 ZAR
View
B+
Retailer 13
-
HK$14,311 HKD
$1,824 USD
View
B+
Retailer 14
-
HK$17,967 HKD
$2,290 USD
View
B+
Retailer 15
-
HK$21,089 HKD
$2,688 USD
View
B
Retailer 16
-
HK$22,033 HKD
$2,808 USD
View
B
Retailer 17
-
HK$25,229 HKD
£2,532 GBP
View
B
Retailer 18
-
HK$25,325 HKD
SGD 4,362 SGD
View
B
Retailer 19
-
HK$27,005 HKD
$3,442 USD
View
Most Expensive
B
Brilliant Earth
21738407A · Oct 30
HK$30,912 HKD
$3,940 USD
View
19 more retailers have this diamond
Prices start from HK$5,508 HKDSave up to HK$25,404 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
1.63ct Heart
HK$5,508 HKD