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Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG749573318

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG749573318

Diamond specifications and retailer prices

From HK$5,688 HKD
$725 USD
As of October 30, 2026
Save HK$26,165 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$31,854 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown heart diamond

This 1.71ct 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 LG749573318 or 749573318. Listed at 20 retailers as of October 30, 2026, with prices from HK$5,688 to HK$31,854, a HK$26,165 spread on the same certified stone. Brilliant Earth lists it at HK$31,854. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749573318
Dimensions7.50 × 8.43 × 4.66 mm
L/W Ratio1.12
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
7.50 mm8.43 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749573318
Side View
Table 57.0%Crown 33.6°Girdle: MED-THKPavilion 37°Culet: NoneDepth 55.3%

Caratlytics Score

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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$31,854 HKD|Low: HK$5,688 HKD|High: HK$42,994 HKD|Avg: HK$15,845 HKD|-25.9%
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 7HK$5,688 HKD
Retailer 5HK$6,190 HKD
Retailer 12HK$6,363 HKD
Retailer 17HK$6,598 HKD
Retailer 10HK$6,747 HKD
Retailer 18HK$8,003 HKD
Retailer 6HK$8,536 HKD
Retailer 2HK$10,584 HKD
Retailer 15HK$10,702 HKD
Retailer 4HK$11,031 HKD
Retailer 14HK$12,126 HKD
Retailer 8HK$14,813 HKD
Retailer 19HK$18,547 HKD
Retailer 13HK$21,795 HKD
Retailer 16HK$22,741 HKD
Retailer 3HK$25,936 HKD
Retailer 9HK$26,283 HKD
Retailer 11HK$28,072 HKD
Brilliant EarthHK$31,854 HKD

29 data points across 19 retailers

20 retailersHK$5,688 HKD to HK$31,854 HKD

A
Cheapest Retailer
-
HK$5,688 HKD
$725 USD
A
Retailer 2
-
HK$6,190 HKD
$789 USD
View
A
Retailer 3
-
HK$6,363 HKD
$811 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,598 HKD
$841 USD
View
Retailer 5
-
HK$6,747 HKD
$860 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 7
-
HK$8,536 HKD
$1,088 USD
View
A
Retailer 8
-
HK$10,584 HKD
£1,062 GBP
View
B+
Retailer 9
-
HK$10,702 HKD
$1,364 USD
View
B+
Retailer 10
-
HK$11,031 HKD
$1,406 USD
View
B+
Retailer 11
-
HK$12,126 HKD
ZAR 24,969 ZAR
View
B+
Retailer 12
-
HK$14,813 HKD
$1,888 USD
View
B+
Retailer 13
-
HK$18,547 HKD
$2,364 USD
View
B
Retailer 14
-
HK$21,795 HKD
$2,778 USD
View
B+
Retailer 15
-
HK$22,501 HKD
$2,868 USD
View
B+
Retailer 16
-
HK$22,741 HKD
$2,899 USD
View
B
Retailer 17
-
HK$25,936 HKD
£2,603 GBP
View
B
Retailer 18
-
HK$26,283 HKD
SGD 4,527 SGD
View
B
Retailer 19
-
HK$28,072 HKD
$3,578 USD
View
Most Expensive
B
Brilliant Earth
21417283A · Oct 31
HK$31,854 HKD
$4,060 USD
View
19 more retailers have this diamond
Prices start from HK$5,688 HKDSave up to HK$26,165 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
1.71ct Heart
HK$5,688 HKD