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Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG678590671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678590671

Diamond specifications and retailer prices

From HK$2,793 HKD
$356 USD
As of October 30, 2026
Save HK$14,624 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$17,417 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.81ct lab-grown heart diamond

This 1.81ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678590671 or 678590671. Listed at 12 retailers as of October 30, 2026, with prices from HK$2,793 to HK$17,417, a HK$14,624 spread on the same certified stone. Brilliant Earth lists it at HK$17,417. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678590671
Dimensions7.73 × 8.42 × 4.98 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.73 mm8.42 mm1.81 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678590671
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.1%

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$17,417 HKD|Low: HK$3,130 HKD|High: HK$20,399 HKD|Avg: HK$9,806 HKD|-14.6%
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
October 29, 2026
Retailer 14HK$3,130 HKD
Retailer 15HK$4,620 HKD
Retailer 2HK$5,379 HKD
Retailer 13HK$5,555 HKD
Retailer 9HK$5,570 HKD
Retailer 5HK$7,053 HKD
Retailer 7HK$7,563 HKD
Retailer 8HK$8,037 HKD
Retailer 11HK$10,152 HKD
Retailer 12HK$11,133 HKD
Retailer 3HK$13,001 HKD
Retailer 10HK$13,601 HKD
Retailer 6HK$15,268 HKD
Retailer 4HK$15,962 HKD
Brilliant EarthHK$17,417 HKD

24 data points across 15 retailers

12 retailersHK$2,793 HKD to HK$17,417 HKD

A
Cheapest Retailer
-
HK$2,793 HKD
$356 USD
A
Retailer 2
-
HK$3,130 HKD
$399 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,240 HKD
$413 USD
View
A
Retailer 4
-
HK$4,620 HKD
View
B+
Retailer 5
-
HK$5,379 HKD
€653 EUR
View
B+
Retailer 6
-
HK$5,555 HKD
$708 USD
View
B+
Retailer 7
-
HK$5,570 HKD
$710 USD
View
B+
Retailer 8
-
HK$8,037 HKD
A$1,576 AUD
View
B
Retailer 9
-
HK$10,152 HKD
$1,294 USD
View
B
Retailer 10
-
HK$11,133 HKD
$1,419 USD
View
B
Retailer 11
-
HK$13,601 HKD
£1,365 GBP
View
Most Expensive
B
Brilliant Earth
15435809A · Oct 30
HK$17,417 HKD
$2,220 USD
View
11 more retailers have this diamond
Prices start from HK$2,793 HKDSave up to HK$14,624 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
1.81ct Heart
HK$2,793 HKD