CaratHunter
Plans
Radiant|Lab Grown|IGI

3.10ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG670475136

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

Certificate IGI LG670475136

Diamond specifications and retailer prices

From $2,290 NZD
£1,000 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $2,290 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670475136 or 670475136. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670475136
Dimensions10.50 × 7.27 × 4.87 mm
L/W Ratio1.44
Culet sizePointed
Top View
10.50 mm7.27 mm3.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670475136
Side View
Table 66.0%Crown 44.8°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,146 NZD|Low: $473 NZD|High: $9,146 NZD|Avg: $2,222 NZD|+61.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
July 18, 2026
Retailer 9$1,124 NZD
Retailer 3$1,281 NZD
Retailer 8$1,425 NZD
Retailer 5$1,532 NZD
Retailer 7$1,591 NZD
Retailer 4$1,923 NZD
Retailer 2$2,332 NZD
Retailer 6$4,403 NZD
Retailer 1$9,146 NZD

68 data points across 9 retailers

1 retailer

B
Diamond Quarter
3.1SI1ELG36E9C2N · Nov 5
$2,290 NZD
£1,000 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
$2,290 NZD