Radiant|Lab Grown|IGI

1.67ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG636400270

Certificate IGI LG636400270

Diamond specifications and retailer prices

From HK$4,927 HKD
$628 USD
As of October 30, 2026
Save HK$20,101 HKD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$25,028 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant 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 LG636400270 or 636400270. Listed at 7 retailers as of October 29, 2026, with prices from HK$4,927 to HK$25,028, a HK$20,101 spread on the same certified stone. Brilliant Earth lists it at HK$25,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG636400270
Dimensions6.01 × 6.01 × 3.99 mm
L/W Ratio1.00
Top View
6.01 mm6.01 mm1.67 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636400270
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.4%

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$25,028 HKD|Low: HK$3,515 HKD|High: HK$25,812 HKD|Avg: HK$11,843 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 23, 2026
Retailer 8HK$3,515 HKD
Retailer 5HK$4,927 HKD
Retailer 2HK$6,401 HKD
Retailer 4HK$8,921 HKD
Retailer 7HK$10,458 HKD
Retailer 6HK$12,020 HKD
Retailer 10HK$13,737 HKD
Retailer 9HK$15,146 HKD
Retailer 3HK$18,516 HKD
Brilliant EarthHK$25,028 HKD

15 data points across 10 retailers

7 retailersHK$4,927 HKD to HK$25,028 HKD

A
Cheapest Retailer
-
HK$4,927 HKD
$628 USD
Retailer 2
-
HK$6,401 HKD
€777 EUR
View
Price last confirmed 7 days ago
B+
Retailer 3
-
HK$8,921 HKD
$1,137 USD
View
Retailer 4
-
HK$18,516 HKD
$2,360 USD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$21,729 HKD
$2,770 USD
View
Price last confirmed 87 days ago
Retailer 6
-
HK$24,792 HKD
$3,160 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21311935A · Oct 29
HK$25,028 HKD
$3,190 USD
View
6 more retailers have this diamond
Prices start from HK$4,927 HKDSave up to HK$20,101 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
1.67ct Radiant
HK$4,927 HKD