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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG712551704

Shape and cutting style on the report: Round brilliant

Certificate IGI LG712551704

Diamond specifications and retailer prices

From HK$5,359 HKD
$683 USD
As of October 29, 2026
Save HK$33,951 HKD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$39,310 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 LG712551704 or 712551704. Listed at 24 retailers as of October 29, 2026, with prices from HK$5,359 to HK$39,310, a HK$33,951 spread on the same certified stone. Brilliant Earth lists it at HK$39,310. 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 angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712551704
Dimensions7.85 × 7.90 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.85 mm7.90 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712551704
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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 29
Current: HK$39,310 HKD|Low: HK$5,830 HKD|High: HK$39,310 HKD|Avg: HK$14,365 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
October 30, 2026
Retailer 6HK$5,830 HKD
Retailer 7HK$5,995 HKD
Retailer 10HK$7,611 HKD
Retailer 5HK$8,207 HKD
Retailer 2HK$9,924 HKD
Retailer 8HK$10,117 HKD
Retailer 3HK$10,130 HKD
Retailer 9HK$11,432 HKD
Retailer 12HK$15,474 HKD
Retailer 14HK$15,889 HKD
Retailer 15HK$20,126 HKD
Retailer 4HK$20,943 HKD
Retailer 13HK$21,499 HKD
Retailer 11HK$26,238 HKD
Brilliant EarthHK$39,310 HKD

44 data points across 15 retailers

24 retailersHK$5,359 HKD to HK$39,310 HKD

A
Cheapest Retailer
-
HK$5,359 HKD
$683 USD
A
Retailer 2
-
HK$5,830 HKD
$743 USD
View
A
Retailer 3
-
HK$5,995 HKD
$764 USD
View
Final sale: no returns
Retailer 4
-
HK$6,222 HKD
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$6,222 HKD
$793 USD
View
A
Retailer 6
-
HK$7,231 HKD
View
A
Retailer 7
-
HK$7,611 HKD
$970 USD
View
A
Retailer 8
-
HK$8,207 HKD
$1,046 USD
View
B+
Retailer 9
-
HK$9,924 HKD
£996 GBP
View
B+
Retailer 10
-
HK$10,117 HKD
€1,228 EUR
View
B+
Retailer 11
-
HK$10,130 HKD
$1,291 USD
View
B+
Retailer 12
-
HK$10,459 HKD
$1,333 USD
View
B+
Retailer 13
-
HK$11,432 HKD
ZAR 23,537 ZAR
View
Retailer 14
-
HK$15,474 HKD
A$3,034 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
HK$15,889 HKD
$2,025 USD
View
B
Retailer 16
-
HK$17,490 HKD
$2,229 USD
View
B+
Retailer 17
-
HK$20,126 HKD
$2,565 USD
View
B
Retailer 18
-
HK$20,943 HKD
SGD 3,607 SGD
View
B
Retailer 19
-
HK$21,217 HKD
$2,704 USD
View
B
Retailer 20
-
HK$21,449 HKD
$2,734 USD
View
B
Retailer 21
-
HK$21,467 HKD
$2,736 USD
View
B
Retailer 22
-
HK$21,499 HKD
$2,740 USD
View
B
Retailer 23
-
HK$26,238 HKD
£2,633 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Oct 29
HK$39,310 HKD
$5,010 USD
View
23 more retailers have this diamond
Prices start from HK$5,359 HKDSave up to HK$33,951 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$5,359 HKD