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Radiant|Lab Grown|IGI

1.00ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG750577905

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

Certificate IGI LG750577905

Diamond specifications and retailer prices

From HK$1,153 HKD
$147 USD
As of October 30, 2026
Save HK$5,582 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$6,736 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750577905 or 750577905. Listed at 15 retailers as of October 29, 2026, with prices from HK$1,153 to HK$6,736, a HK$5,582 spread on the same certified stone. MOH London lists it at HK$6,736. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750577905
Dimensions7.08 × 5.05 × 3.29 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm5.05 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750577905
Side View
Table 63.0%Crown 42.9°Girdle: MediumPavilion 34.4°Culet: NoneDepth 65.1%

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$6,736 HKD|Low: HK$1,091 HKD|High: HK$6,786 HKD|Avg: HK$3,093 HKD|+1.3%
MOH London
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
October 30, 2026
Retailer 14HK$1,153 HKD
Retailer 3HK$1,436 HKD
Retailer 13HK$1,436 HKD
Retailer 12HK$1,924 HKD
Retailer 5HK$2,032 HKD
Retailer 8HK$2,474 HKD
Retailer 11HK$2,611 HKD
Retailer 6HK$2,644 HKD
Retailer 9HK$2,722 HKD
Retailer 10HK$3,664 HKD
Retailer 7HK$3,687 HKD
Retailer 4HK$3,931 HKD
Retailer 2HK$4,394 HKD
Retailer 15HK$4,605 HKD
MOH LondonHK$6,736 HKD

35 data points across 15 retailers

15 retailersHK$1,153 HKD to HK$6,736 HKD

A
Cheapest Retailer
-
HK$1,153 HKD
$147 USD
A
Retailer 2
-
HK$1,436 HKD
$183 USD
View
A
Retailer 3
-
HK$1,436 HKD
$183 USD
View
Retailer 4
-
HK$1,924 HKD
£193 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$2,032 HKD
$259 USD
View
A
Retailer 6
-
HK$2,474 HKD
£248 GBP
View
Retailer 7
-
HK$2,611 HKD
€317 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$2,644 HKD
$337 USD
View
A
Retailer 9
-
HK$2,722 HKD
£273 GBP
View
B
Retailer 10
-
HK$3,664 HKD
$467 USD
View
Retailer 11
-
HK$3,687 HKD
$470 USD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
HK$3,931 HKD
$501 USD
View
B+
Retailer 13
-
HK$4,394 HKD
$560 USD
View
B
Retailer 14
-
HK$4,605 HKD
$587 USD
View
Most Expensive
B
MOH London
LG750577905 · Oct 29
HK$6,736 HKD
£676 GBP
View
14 more retailers have this diamond
Prices start from HK$1,153 HKDSave up to HK$5,582 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$1,153 HKD