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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG649400592

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

Certificate IGI LG649400592

Diamond specifications and retailer prices

From HK$2,935 HKD
$374 USD
As of October 28, 2026
Save HK$24,528 HKD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$31,307 HKD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.74ct lab-grown radiant diamond

This 1.74ct 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 LG649400592 or 649400592. Listed at 14 retailers as of October 28, 2026, with a 836% 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

1.74
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649400592
Dimensions8.74 × 5.95 × 3.89 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.95 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649400592
Side View
Table 65.0%Crown 41°Girdle: ThickPavilion 34°Culet: NoneDepth 65.0%

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 28
Current: HK$27,462 HKD|Low: HK$2,935 HKD|High: HK$31,307 HKD|Avg: HK$13,122 HKD|-12.3%
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
October 29, 2026
Retailer 13HK$2,935 HKD
Retailer 10HK$3,722 HKD
Retailer 7HK$4,472 HKD
Retailer 3HK$5,265 HKD
Retailer 14HK$6,177 HKD
Retailer 2HK$6,470 HKD
Retailer 11HK$8,137 HKD
Retailer 8HK$8,344 HKD
Retailer 12HK$12,083 HKD
Retailer 5HK$12,782 HKD
Retailer 4HK$13,047 HKD
Retailer 6HK$22,463 HKD
Retailer 9HK$23,304 HKD
Brilliant EarthHK$27,462 HKD

4 data points across 14 retailers

14 retailersHK$2,935 HKD to HK$27,462 HKD

A
Cheapest Retailer
-
HK$2,935 HKD
$374 USD
Final sale: no returns
A
Retailer 2
-
HK$3,722 HKD
£374 GBP
View
Retailer 3
-
HK$4,472 HKD
$570 USD
View
A
Retailer 4
-
HK$5,265 HKD
$671 USD
View
A
Retailer 5
-
HK$6,177 HKD
ZAR 12,718 ZAR
View
A
Retailer 6
-
HK$6,470 HKD
£649 GBP
View
A
Retailer 7
-
HK$8,137 HKD
$1,037 USD
View
Retailer 8
-
HK$8,344 HKD
A$1,636 AUD
View
B+
Retailer 9
-
HK$12,083 HKD
$1,540 USD
View
B+
Retailer 10
-
HK$12,782 HKD
$1,629 USD
View
B+
Retailer 11
-
HK$13,047 HKD
SGD 2,247 SGD
View
Retailer 12
-
HK$23,304 HKD
$2,970 USD
View
B
Retailer 13
-
HK$27,462 HKD
$3,500 USD
View
Most Expensive
B
Brilliant Earth
13718859B · Oct 21
HK$31,307 HKD
$3,990 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from HK$2,935 HKDSave up to HK$24,528 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
1.74ct Radiant
HK$2,935 HKD