Radiant|Lab Grown|IGI

3.16ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG821655501

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

Certificate IGI LG821655501

Diamond specifications and retailer prices

From $2,973 NZD
£1,315 GBP
As of October 29, 2026
Save $3,975 NZD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,948 NZD at With Clarity · As of October 28, 2026
View at With Clarity

About this 3.16ct lab-grown radiant diamond

This 3.16ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG821655501 or 821655501. Listed at 7 retailers as of October 28, 2026, with prices from $2,973 to $6,948, a $3,975 spread on the same certified stone. With Clarity lists it at $6,948. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.16
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821655501
Dimensions10.20 × 7.51 × 5.14 mm
L/W Ratio1.36
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
10.20 mm7.51 mm3.16 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821655501
Side View
Table 63.0%Crown 38.8°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $2,973 NZD|Low: $2,955 NZD|High: $6,809 NZD|Avg: $4,749 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 29, 2026
Retailer 1$2,973 NZD
Retailer 4$3,089 NZD
Retailer 3$3,255 NZD
Retailer 5$3,607 NZD
Retailer 2$6,578 NZD
Retailer 6$6,711 NZD
With Clarity$6,809 NZD

29 data points across 7 retailers

7 retailers$2,973 NZD to $6,948 NZD

A
Cheapest Retailer
-
$2,973 NZD
£1,315 GBP
A
Retailer 2
-
$3,089 NZD
$1,735 USD
View
B+
Retailer 3
-
$3,255 NZD
€1,741 EUR
View
B+
Retailer 4
-
$3,607 NZD
$2,026 USD
View
B
Retailer 5
-
$6,578 NZD
£2,909 GBP
View
B
Retailer 6
-
$6,711 NZD
$3,769 USD
View
Most Expensive
B
With Clarity
821655501 · Oct 28
$6,948 NZD
$3,902 USD
View
6 more retailers have this diamond
Prices start from $2,973 NZDSave up to $3,975 NZD

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.

A
3.16ct Radiant
$2,973 NZD