CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729569980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569980

Diamond specifications and retailer prices

From HK$1,757 HKD
$224 USD
As of October 30, 2026
Save HK$7,637 HKD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$10,592 HKD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729569980 or 729569980. Listed at 24 retailers as of October 30, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569980
Dimensions6.52 × 6.55 × 4.00 mm
L/W Ratio1.00
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
6.52 mm6.55 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569980
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.2%

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$10,592 HKD|Low: HK$1,757 HKD|High: HK$10,592 HKD|Avg: HK$4,794 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 7HK$1,757 HKD
Retailer 9HK$2,209 HKD
Retailer 17HK$2,652 HKD
Retailer 10HK$3,295 HKD
Retailer 12HK$3,361 HKD
Retailer 2HK$3,575 HKD
Retailer 5HK$3,829 HKD
Retailer 16HK$3,939 HKD
Retailer 15HK$4,274 HKD
Retailer 14HK$4,739 HKD
Retailer 13HK$4,784 HKD
Retailer 8HK$5,324 HKD
Retailer 11HK$6,227 HKD
Retailer 6HK$6,712 HKD
Retailer 4HK$9,197 HKD
Retailer 3HK$9,395 HKD
Brilliant EarthHK$10,592 HKD

38 data points across 17 retailers

24 retailersHK$1,757 HKD to HK$9,395 HKD

Retailer 1
-
HK$1,577 HKD
$201 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$1,757 HKD
$224 USD
View
Final sale: no returns
Retailer 3
-
HK$1,828 HKD
$233 USD
View
Price last confirmed 10 days ago
Retailer 4
-
HK$1,954 HKD
$249 USD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$1,961 HKD
$250 USD
View
Price last confirmed 13 days ago
Retailer 6
-
HK$2,016 HKD
$257 USD
View
Price last confirmed 45 days ago
A
Retailer 7
-
HK$2,209 HKD
View
A
Retailer 8
-
HK$2,652 HKD
$338 USD
View
A
Retailer 9
-
HK$3,295 HKD
€400 EUR
View
A
Retailer 10
-
HK$3,361 HKD
ZAR 6,921 ZAR
View
A
Retailer 11
-
HK$3,575 HKD
£359 GBP
View
A
Retailer 12
-
HK$3,829 HKD
$488 USD
View
A
Retailer 13
-
HK$3,939 HKD
$502 USD
View
B+
Retailer 14
-
HK$4,274 HKD
A$838 AUD
View
Retailer 15
-
HK$4,739 HKD
$604 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
HK$4,784 HKD
A$938 AUD
View
B+
Retailer 17
-
HK$5,029 HKD
$641 USD
View
B+
Retailer 18
-
HK$5,324 HKD
SGD 917 SGD
View
B+
Retailer 19
-
HK$6,227 HKD
A$1,221 AUD
View
Retailer 20
-
HK$6,292 HKD
$802 USD
View
Price last confirmed 12 days ago
B+
Retailer 21
-
HK$6,712 HKD
$855 USD
View
B
Retailer 22
-
HK$9,197 HKD
£923 GBP
View
B
Retailer 23
-
HK$9,395 HKD
$1,197 USD
View
Most Expensive
Brilliant Earth
16533432A · Oct 17
HK$10,592 HKD
$1,350 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from HK$1,757 HKDSave up to HK$7,637 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
1.05ct Round
HK$1,757 HKD