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Radiant|Lab Grown|IGI

3.10ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG669460364

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

Certificate IGI LG669460364

Diamond specifications and retailer prices

From HK$10,215 HKD
£1,026 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: HK$10,215 HKD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669460364 or 669460364. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.10
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669460364
Dimensions10.43 × 7.21 × 4.75 mm
L/W Ratio1.45
Culet sizePointed
Top View
10.43 mm7.21 mm3.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669460364
Side View
Table 64.0%Crown 46.6°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: HK$6,364 HKD|Low: HK$1,748 HKD|High: HK$21,553 HKD|Avg: HK$8,175 HKD|+5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 29, 2026
Retailer 9HK$1,748 HKD
Retailer 3HK$2,931 HKD
Retailer 4HK$3,253 HKD
Retailer 7HK$5,024 HKD
Retailer 5HK$5,533 HKD
Retailer 1HK$6,364 HKD
Retailer 6HK$7,963 HKD
Retailer 10HK$8,480 HKD
Retailer 2HK$19,131 HKD
Retailer 8HK$21,553 HKD

7 data points across 10 retailers

1 retailer

B
Diamond Quarter
3.1SI1ELG643AD3N · Nov 5
HK$10,215 HKD
£1,026 GBP
View

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
3.10ct Radiant
HK$10,215 HKD