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Heart|Lab Grown|IGI

1.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681481

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681481

Diamond specifications and retailer prices

From HK$5,547 HKD
$707 USD
As of October 30, 2026
Save HK$43,724 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$49,271 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown heart diamond

This 1.91ct 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 LG818681481 or 818681481. Listed at 12 retailers as of October 30, 2026, with prices from HK$5,547 to HK$49,271, a HK$43,724 spread on the same certified stone. Do Amore Diamonds lists it at HK$49,271. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681481
Dimensions7.66 × 8.39 × 5.22 mm
L/W Ratio1.10
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
7.66 mm8.39 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681481
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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$49,271 HKD|Low: HK$5,547 HKD|High: HK$84,734 HKD|Avg: HK$22,735 HKD|-41.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8HK$5,547 HKD
Retailer 13HK$6,033 HKD
Retailer 3HK$8,003 HKD
Retailer 9HK$10,458 HKD
Retailer 4HK$10,474 HKD
Retailer 2HK$11,929 HKD
Retailer 11HK$15,136 HKD
Retailer 10HK$15,848 HKD
Retailer 12HK$19,967 HKD
Retailer 7HK$26,763 HKD
Retailer 6HK$35,227 HKD
Retailer 5HK$43,897 HKD
Do Amore DiamondsHK$49,271 HKD

26 data points across 13 retailers

12 retailersHK$5,547 HKD to HK$49,271 HKD

A
Cheapest Retailer
-
HK$5,547 HKD
$707 USD
A
Retailer 2
-
HK$6,033 HKD
$769 USD
View
A
Retailer 3
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 4
-
HK$10,458 HKD
$1,333 USD
View
A
Retailer 5
-
HK$10,474 HKD
$1,335 USD
View
B+
Retailer 6
-
HK$11,929 HKD
€1,448 EUR
View
B+
Retailer 7
-
HK$15,136 HKD
A$2,968 AUD
View
B+
Retailer 8
-
HK$15,848 HKD
$2,020 USD
View
B+
Retailer 9
-
HK$19,967 HKD
$2,545 USD
View
B
Retailer 10
-
HK$26,763 HKD
£2,686 GBP
View
B
Retailer 11
-
HK$35,227 HKD
$4,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1165FDF8 · Oct 31
HK$49,271 HKD
$6,280 USD
View
11 more retailers have this diamond
Prices start from HK$5,547 HKDSave up to HK$43,724 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
1.91ct Heart
HK$5,547 HKD