CaratHunter
Plans
Radiant|Lab Grown|IGI

1.00ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG605337349

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG605337349

Diamond specifications and retailer prices

From HK$1,671 HKD
$213 USD
As of October 30, 2026
Save HK$16,845 HKD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$18,516 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG605337349 or 605337349. Listed at 21 retailers as of October 30, 2026, with prices from HK$1,671 to HK$18,516, a HK$16,845 spread on the same certified stone. Brilliant Earth lists it at HK$18,516. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605337349
Dimensions6.83 × 5.00 × 3.51 mm
L/W Ratio1.37
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
6.83 mm5.00 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605337349
Side View
Table 66.0%Crown 41.4°Girdle: Slightly ThickPavilion 37.7°Culet: NoneDepth 70.2%

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$18,516 HKD|Low: HK$1,585 HKD|High: HK$18,516 HKD|Avg: HK$5,265 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
Retailer 18
Retailer 19
November 1, 2026
Retailer 3HK$1,671 HKD
Retailer 13HK$1,867 HKD
Retailer 18HK$1,938 HKD
Retailer 7HK$2,071 HKD
Retailer 10HK$2,071 HKD
Retailer 14HK$3,552 HKD
Retailer 8HK$3,554 HKD
Retailer 2HK$3,825 HKD
Retailer 5HK$3,907 HKD
Retailer 12HK$3,913 HKD
Retailer 19HK$4,268 HKD
Retailer 15HK$5,054 HKD
Retailer 6HK$5,618 HKD
Retailer 4HK$6,645 HKD
Retailer 11HK$7,062 HKD
Retailer 16HK$7,741 HKD
Retailer 17HK$8,300 HKD
Retailer 9HK$9,678 HKD
Brilliant EarthHK$18,516 HKD

39 data points across 19 retailers

21 retailersHK$1,671 HKD to HK$18,516 HKD

A
Cheapest Retailer
-
HK$1,671 HKD
$213 USD
A
Retailer 2
-
HK$1,867 HKD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,938 HKD
$247 USD
View
A
Retailer 4
-
HK$2,071 HKD
$264 USD
View
A
Retailer 5
-
HK$2,071 HKD
$264 USD
View
A
Retailer 6
-
HK$3,552 HKD
ZAR 7,313 ZAR
View
A
Retailer 7
-
HK$3,554 HKD
$453 USD
View
A
Retailer 8
-
HK$3,825 HKD
£384 GBP
View
A
Retailer 9
-
HK$3,907 HKD
$498 USD
View
A
Retailer 10
-
HK$3,913 HKD
€475 EUR
View
A
Retailer 11
-
HK$4,268 HKD
$544 USD
View
B+
Retailer 12
-
HK$5,054 HKD
A$991 AUD
View
B+
Retailer 13
-
HK$5,618 HKD
$716 USD
View
B+
Retailer 14
-
HK$6,645 HKD
$847 USD
View
B+
Retailer 15
-
HK$7,062 HKD
$900 USD
View
B+
Retailer 16
-
HK$7,430 HKD
$947 USD
View
B+
Retailer 17
-
HK$7,741 HKD
A$1,518 AUD
View
B+
Retailer 18
-
HK$8,300 HKD
£833 GBP
View
Retailer 19
-
HK$9,525 HKD
$1,214 USD
View
Price last confirmed 61 days ago
B
Retailer 20
-
HK$9,678 HKD
$1,234 USD
View
Most Expensive
B
Brilliant Earth
14717637A · Oct 31
HK$18,516 HKD
$2,360 USD
View
20 more retailers have this diamond
Prices start from HK$1,671 HKDSave up to HK$16,845 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
1.00ct Radiant
HK$1,671 HKD