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Radiant|Lab Grown|IGI

3.10ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG669444662

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

Certificate IGI LG669444662

Diamond specifications and retailer prices

From $2,392 NZD
£1,062 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: $2,392 NZD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG669444662 or 669444662. Listed at a single retailer as of October 31, 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669444662
Dimensions10.42 × 7.17 × 4.66 mm
L/W Ratio1.45
Culet sizePointed
Top View
10.42 mm7.17 mm3.10 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669444662
Side View
Table 67.0%Crown 45.3°Girdle: MediumPavilion 34°Culet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,332 NZD|Low: $479 NZD|High: $4,423 NZD|Avg: $1,716 NZD|-22.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
June 15, 2026
Retailer 6$1,082 NZD
Retailer 7$1,177 NZD
Retailer 1$1,332 NZD
Retailer 4$1,533 NZD
Retailer 5$1,609 NZD
Retailer 3$1,867 NZD
Retailer 2$2,580 NZD

72 data points across 7 retailers

1 retailer

B
Diamond Quarter
3.1SI1DLG62A89FN · Oct 31
$2,392 NZD
£1,062 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
$2,392 NZD