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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG490176326

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

Certificate IGI LG490176326

Diamond specifications and retailer prices

From HK$1,042 HKD
As of November 6, 2026
Save HK$8,989 HKD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$10,032 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490176326 or 490176326. Listed at 20 retailers as of November 6, 2026, with prices from HK$1,042 to HK$10,032, a HK$8,989 spread on the same certified stone. Do Amore Diamonds lists it at HK$10,032. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490176326
Dimensions7.05 × 4.97 × 3.39 mm
L/W Ratio1.42
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
7.05 mm4.97 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490176326
Side View
Table 63.0%Crown 40.1°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 68.2%

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: Nov 6
Current: HK$10,032 HKD|Low: HK$1,003 HKD|High: HK$10,032 HKD|Avg: HK$3,231 HKD
Do Amore Diamonds
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
November 6, 2026
Retailer 9HK$1,042 HKD
Retailer 7HK$1,168 HKD
Retailer 14HK$1,207 HKD
Retailer 15HK$1,293 HKD
Retailer 3HK$1,857 HKD
Retailer 5HK$2,022 HKD
Retailer 10HK$2,437 HKD
Retailer 2HK$2,516 HKD
Retailer 13HK$2,704 HKD
Retailer 12HK$3,096 HKD
Retailer 6HK$4,311 HKD
Retailer 4HK$4,389 HKD
Retailer 8HK$4,585 HKD
Retailer 11HK$6,646 HKD
Do Amore DiamondsHK$10,032 HKD

43 data points across 15 retailers

20 retailersHK$1,042 HKD to HK$10,032 HKD

A
Cheapest Retailer
-
HK$1,042 HKD
A
Retailer 2
-
HK$1,168 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,207 HKD
View
A
Retailer 4
-
HK$1,293 HKD
View
A
Retailer 5
-
HK$1,716 HKD
View
B+
Retailer 6
-
HK$2,022 HKD
View
A
Retailer 7
-
HK$2,202 HKD
View
A
Retailer 8
-
HK$2,437 HKD
View
A
Retailer 9
-
HK$2,516 HKD
View
A
Retailer 10
-
HK$2,704 HKD
View
B+
Retailer 11
-
HK$3,096 HKD
View
B+
Retailer 12
-
HK$3,221 HKD
View
B
Retailer 13
-
HK$4,138 HKD
View
B+
Retailer 14
-
HK$4,311 HKD
View
B+
Retailer 15
-
HK$4,389 HKD
View
B+
Retailer 16
-
HK$4,585 HKD
View
B
Retailer 17
-
HK$5,423 HKD
View
B
Retailer 18
-
HK$5,949 HKD
View
B
Retailer 19
-
HK$6,646 HKD
View
Most Expensive
B
Do Amore Diamonds
27-4E1C3A675 · Nov 6
HK$10,032 HKD
$1,280 USD
View
19 more retailers have this diamond
Prices start from HK$1,042 HKDSave up to HK$8,989 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$1,042 HKD