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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG818658778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818658778

Diamond specifications and retailer prices

From HK$3,028 HKD
$386 USD
As of October 30, 2026
Save HK$22,784 HKD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$25,812 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818658778 or 818658778. Listed at 21 retailers as of October 29, 2026, with prices from HK$3,028 to HK$25,812, a HK$22,784 spread on the same certified stone. Brilliant Earth lists it at HK$25,812. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658778
Dimensions7.81 × 7.87 × 4.83 mm
L/W Ratio1.01
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
7.81 mm7.87 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658778
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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$25,812 HKD|Low: HK$3,028 HKD|High: HK$25,812 HKD|Avg: HK$9,443 HKD
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
October 30, 2026
Retailer 5HK$3,028 HKD
Retailer 16HK$4,747 HKD
Retailer 3HK$4,825 HKD
Retailer 10HK$5,072 HKD
Retailer 12HK$5,437 HKD
Retailer 15HK$5,783 HKD
Retailer 11HK$6,029 HKD
Retailer 6HK$7,653 HKD
Retailer 14HK$7,813 HKD
Retailer 4HK$9,548 HKD
Retailer 8HK$10,011 HKD
Retailer 7HK$11,149 HKD
Retailer 2HK$12,710 HKD
Retailer 17HK$13,018 HKD
Retailer 13HK$13,222 HKD
Retailer 9HK$20,320 HKD
Brilliant EarthHK$25,812 HKD

27 data points across 17 retailers

21 retailersHK$3,028 HKD to HK$25,812 HKD

Retailer 1
-
HK$2,754 HKD
$351 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$3,028 HKD
$386 USD
View
Final sale: no returns
Retailer 3
-
HK$3,413 HKD
$435 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$3,413 HKD
$435 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
HK$4,747 HKD
$605 USD
View
A
Retailer 6
-
HK$4,825 HKD
$615 USD
View
A
Retailer 7
-
HK$5,072 HKD
£509 GBP
View
A
Retailer 8
-
HK$5,437 HKD
€660 EUR
View
A
Retailer 9
-
HK$5,783 HKD
ZAR 11,907 ZAR
View
A
Retailer 10
-
HK$6,029 HKD
£605 GBP
View
A
Retailer 11
-
HK$7,653 HKD
$975 USD
View
A
Retailer 12
-
HK$7,813 HKD
A$1,532 AUD
View
A
Retailer 13
-
HK$9,548 HKD
$1,217 USD
View
B+
Retailer 14
-
HK$10,011 HKD
$1,276 USD
View
Retailer 15
-
HK$10,968 HKD
$1,398 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
HK$11,149 HKD
$1,421 USD
View
B+
Retailer 17
-
HK$12,710 HKD
$1,620 USD
View
B+
Retailer 18
-
HK$13,018 HKD
$1,659 USD
View
B+
Retailer 19
-
HK$13,222 HKD
£1,327 GBP
View
B
Retailer 20
-
HK$20,320 HKD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
21580806A · Oct 29
HK$25,812 HKD
$3,290 USD
View
20 more retailers have this diamond
Prices start from HK$3,028 HKDSave up to HK$22,784 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 Round
HK$3,028 HKD