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Radiant|Lab Grown|IGI

3.10ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG623415350

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

Certificate IGI LG623415350

Diamond specifications and retailer prices

From $12,339 NZD
$6,930 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $12,339 NZD at Rare Carat
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 Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623415350 or 623415350. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623415350
Dimensions10.11 × 7.31 × 4.78 mm
L/W Ratio1.38
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.11 mm7.31 mm3.10 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623415350
Side View
Table 64.0%Crown 29.6°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $12,339 NZD|Low: $6,445 NZD|High: $35,806 NZD|Avg: $14,923 NZD|-1.0%
Rare Carat
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October 21, 2026
Retailer 16$6,445 NZD
Retailer 4$8,318 NZD
Retailer 14$8,318 NZD
Retailer 2$8,588 NZD
Retailer 7$9,234 NZD
Retailer 5$9,328 NZD
Retailer 17$10,309 NZD
Rare Carat$12,339 NZD
Retailer 11$13,087 NZD
Retailer 10$14,599 NZD
Retailer 12$15,909 NZD
Retailer 9$16,007 NZD
Retailer 8$16,377 NZD
Retailer 13$17,734 NZD
Retailer 6$18,588 NZD
Retailer 18$18,588 NZD
Retailer 15$28,973 NZD
Retailer 3$35,806 NZD

2 data points across 18 retailers

1 retailer

B
Rare Carat
RM-708_l_605367011 · Oct 28
$12,339 NZD
$6,930 USD
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
$12,339 NZD