CaratHunter
Plans
Radiant|Lab Grown|IGI

1.88ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG731591058

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

Certificate IGI LG731591058

Diamond specifications and retailer prices

From HK$30,758 HKD
$3,920 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: HK$30,758 HKD at Brilliant Earth
View at Brilliant Earth

About this 1.88ct lab-grown radiant diamond

This 1.88ct 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 LG731591058 or 731591058. Listed at 2 retailers as of October 29, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731591058
Dimensions8.97 × 6.14 × 4.04 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.97 mm6.14 mm1.88 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731591058
Side View
Table 65.0%Crown 41.6°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$30,758 HKD|Low: HK$3,193 HKD|High: HK$37,780 HKD|Avg: HK$14,497 HKD|-3.7%
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
August 22, 2026
Retailer 14HK$3,193 HKD
Retailer 10HK$5,971 HKD
Retailer 11HK$7,036 HKD
Retailer 9HK$7,503 HKD
Retailer 2HK$7,925 HKD
Retailer 7HK$8,685 HKD
Retailer 5HK$9,000 HKD
Retailer 15HK$11,464 HKD
Retailer 16HK$12,413 HKD
Retailer 12HK$13,512 HKD
Retailer 13HK$16,185 HKD
Retailer 3HK$17,158 HKD
Retailer 8HK$19,187 HKD
Retailer 4HK$20,173 HKD
Retailer 6HK$23,119 HKD
Brilliant EarthHK$30,758 HKD

62 data points across 16 retailers

2 retailers

Retailer 1
-
HK$19,187 HKD
A$3,762 AUD
Price last confirmed 118 days ago
Most Expensive
B
Brilliant Earth
15773941A · Oct 29
HK$30,758 HKD
$3,920 USD
View
1 more retailer has this diamond

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.

B
1.88ct Radiant
HK$30,758 HKD