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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 $639 USD
As of October 29, 2026
Save $4,591 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,230 USD 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 $639 to $5,230, a $4,591 spread on the same certified stone. Brilliant Earth lists it at $5,230. 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
Color
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: $639 USD|Low: $639 USD|High: $3,645 USD|Avg: $1,853 USD|-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$639 USD
Retailer 2$840 USD
Retailer 16$952 USD
Retailer 9$1,104 USD
Retailer 6$1,213 USD
Retailer 8$1,528 USD
Retailer 12$1,536 USD
Retailer 7$1,770 USD
Retailer 3$1,926 USD
Retailer 5$2,073 USD
Retailer 13$2,151 USD
Retailer 11$2,233 USD
Retailer 4$2,301 USD
Retailer 14$2,345 USD
Retailer 10$3,087 USD
Retailer 15$3,600 USD

21 data points across 16 retailers

18 retailers$639 USD to $5,230 USD

A
Cheapest Retailer
-
$639 USD
Final sale: no returns
A
Retailer 2
-
$840 USD
View
B+
Retailer 3
-
$952 USD
View
A
Retailer 4
-
$1,104 USD
£870 GBP
View
A
Retailer 5
-
$1,213 USD
€1,155 EUR
View
A
Retailer 6
-
$1,528 USD
A$2,351 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$1,536 USD
ZAR 24,817 ZAR
View
A
Retailer 8
-
$1,770 USD
View
B+
Retailer 9
-
$1,926 USD
View
B+
Retailer 10
-
$2,073 USD
£1,632 GBP
View
B+
Retailer 11
-
$2,151 USD
View
B+
Retailer 12
-
$2,233 USD
SGD 3,018 SGD
View
B+
Retailer 13
-
$2,301 USD
View
B+
Retailer 14
-
$2,345 USD
View
B+
Retailer 15
-
$2,974 USD
A$4,576 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
$3,087 USD
£2,431 GBP
View
B
Retailer 17
-
$3,600 USD
View
Most Expensive
B
Brilliant Earth
20908428A · Oct 29
$5,230 USD
View
17 more retailers have this diamond
Prices start from $639 USDSave up to $4,591 USD

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
$639 USD