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Radiant|Lab Grown|IGI

1.15ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG640446935

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

Certificate IGI LG640446935

Diamond specifications and retailer prices

From HK$1,922 HKD
$245 USD
As of October 30, 2026
Save HK$13,063 HKD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$14,985 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant 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 LG640446935 or 640446935. Listed at 21 retailers as of October 30, 2026, with prices from HK$1,922 to HK$14,985, a HK$13,063 spread on the same certified stone. Brilliant Earth lists it at HK$14,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640446935
Dimensions7.88 × 4.96 × 3.29 mm
L/W Ratio1.59
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm4.96 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640446935
Side View
Table 63.0%Crown 40.3°Girdle: MediumPavilion 32.6°Culet: NoneDepth 66.3%

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$14,985 HKD|Low: HK$1,844 HKD|High: HK$17,339 HKD|Avg: HK$5,631 HKD|-13.6%
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
November 1, 2026
Retailer 3HK$1,922 HKD
Retailer 8HK$2,150 HKD
Retailer 6HK$2,228 HKD
Retailer 4HK$2,385 HKD
Retailer 7HK$2,385 HKD
Retailer 16HK$3,334 HKD
Retailer 11HK$3,930 HKD
Retailer 13HK$4,095 HKD
Retailer 10HK$4,488 HKD
Retailer 14HK$5,814 HKD
Retailer 15HK$6,229 HKD
Retailer 5HK$7,665 HKD
Retailer 12HK$7,910 HKD
Retailer 9HK$9,556 HKD
Retailer 2HK$10,435 HKD
Brilliant EarthHK$14,985 HKD

44 data points across 16 retailers

21 retailersHK$1,922 HKD to HK$14,985 HKD

A
Cheapest Retailer
-
HK$1,922 HKD
$245 USD
A
Retailer 2
-
HK$2,150 HKD
$274 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,228 HKD
$284 USD
View
Retailer 4
-
HK$2,385 HKD
$304 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
HK$2,385 HKD
$304 USD
View
A
Retailer 6
-
HK$3,334 HKD
$425 USD
View
A
Retailer 7
-
HK$3,930 HKD
€477 EUR
View
A
Retailer 8
-
HK$4,095 HKD
ZAR 8,433 ZAR
View
A
Retailer 9
-
HK$4,488 HKD
£450 GBP
View
A
Retailer 10
-
HK$4,496 HKD
$573 USD
View
B+
Retailer 11
-
HK$5,814 HKD
A$1,140 AUD
View
B+
Retailer 12
-
HK$6,229 HKD
$794 USD
View
B+
Retailer 13
-
HK$7,665 HKD
$977 USD
View
Retailer 14
-
HK$7,689 HKD
$980 USD
View
Price last confirmed 16 days ago
B+
Retailer 15
-
HK$7,910 HKD
A$1,551 AUD
View
B+
Retailer 16
-
HK$8,070 HKD
$1,029 USD
View
B+
Retailer 17
-
HK$8,654 HKD
$1,103 USD
View
B+
Retailer 18
-
HK$9,556 HKD
£959 GBP
View
B+
Retailer 19
-
HK$10,435 HKD
$1,330 USD
View
B
Retailer 20
-
HK$10,492 HKD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
14080924A · Oct 31
HK$14,985 HKD
$1,910 USD
View
20 more retailers have this diamond
Prices start from HK$1,922 HKDSave up to HK$13,063 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
1.15ct Radiant
HK$1,922 HKD