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Radiant|Lab Grown|IGI

3.18ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG821627264

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

Certificate IGI LG821627264

Diamond specifications and retailer prices

From $1,138 NZD
$639 USD
As of October 29, 2026
Save $8,174 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,312 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.18ct lab-grown radiant diamond

This 3.18ct 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 LG821627264 or 821627264. Listed at 18 retailers as of October 29, 2026, with prices from $1,138 to $9,312, a $8,174 spread on the same certified stone. Brilliant Earth lists it at $9,312. 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

3.18
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821627264
Dimensions10.21 × 7.11 × 4.88 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm7.11 mm3.18 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821627264
Side View
Table 66.0%Crown 41.2°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,138 NZD|Low: $1,138 NZD|High: $6,490 NZD|Avg: $3,299 NZD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 1$1,138 NZD
Retailer 2$1,496 NZD
Retailer 16$1,695 NZD
Retailer 9$1,966 NZD
Retailer 6$2,159 NZD
Retailer 8$2,721 NZD
Retailer 12$2,735 NZD
Retailer 7$3,151 NZD
Retailer 3$3,429 NZD
Retailer 5$3,690 NZD
Retailer 13$3,830 NZD
Retailer 11$3,976 NZD
Retailer 4$4,097 NZD
Retailer 14$4,175 NZD
Retailer 10$5,497 NZD
Retailer 15$6,410 NZD

21 data points across 16 retailers

18 retailers$1,138 NZD to $9,312 NZD

A
Cheapest Retailer
-
$1,138 NZD
$639 USD
Final sale: no returns
A
Retailer 2
-
$1,496 NZD
$840 USD
View
B+
Retailer 3
-
$1,695 NZD
$952 USD
View
A
Retailer 4
-
$1,966 NZD
£870 GBP
View
A
Retailer 5
-
$2,159 NZD
€1,155 EUR
View
A
Retailer 6
-
$2,721 NZD
A$2,351 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,735 NZD
ZAR 24,817 ZAR
View
A
Retailer 8
-
$3,151 NZD
$1,770 USD
View
B+
Retailer 9
-
$3,429 NZD
$1,926 USD
View
B+
Retailer 10
-
$3,690 NZD
£1,632 GBP
View
B+
Retailer 11
-
$3,830 NZD
$2,151 USD
View
B+
Retailer 12
-
$3,976 NZD
SGD 3,018 SGD
View
B+
Retailer 13
-
$4,097 NZD
$2,301 USD
View
B+
Retailer 14
-
$4,175 NZD
$2,345 USD
View
B+
Retailer 15
-
$5,296 NZD
A$4,576 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$5,497 NZD
£2,431 GBP
View
B
Retailer 17
-
$6,410 NZD
$3,600 USD
View
Most Expensive
B
Brilliant Earth
20908428A · Oct 29
$9,312 NZD
$5,230 USD
View
17 more retailers have this diamond
Prices start from $1,138 NZDSave up to $8,174 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
3.18ct Radiant
$1,138 NZD