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Radiant|Lab Grown|IGI

3.10ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG683575301

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

Certificate IGI LG683575301

Diamond specifications and retailer prices

From $1,670 SGD
£1,026 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $1,670 SGD 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 LG683575301 or 683575301. 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 angle45.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683575301
Dimensions10.29 × 7.14 × 4.78 mm
L/W Ratio1.44
Culet sizePointed
Top View
10.29 mm7.14 mm3.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683575301
Side View
Table 67.0%Crown 45.7°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 66.9%

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: $1,648 SGD|Low: $346 SGD|High: $6,498 SGD|Avg: $1,248 SGD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
June 29, 2026
Retailer 9$782 SGD
Retailer 2$788 SGD
Retailer 10$819 SGD
Retailer 4$929 SGD
Retailer 7$1,098 SGD
Retailer 8$1,162 SGD
Retailer 6$1,387 SGD
Retailer 1$1,648 SGD
Retailer 5$3,128 SGD
Retailer 3$6,498 SGD

71 data points across 10 retailers

1 retailer

B
Diamond Quarter
3.1SI1ELG01C61BN · Nov 5
$1,670 SGD
£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
$1,670 SGD