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Round|Lab Grown|IGI

3.18ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG819607477

Certificate IGI LG819607477

Diamond specifications and retailer prices

From $431 USD
Save $3,369 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,800 USD at Brilliant Earth
View at Brilliant Earth

About this 3.18ct lab-grown round diamond

This 3.18ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819607477 or 819607477. Listed at 14 retailers, with prices from $431 to $3,800 at Brilliant Earth, a $3,369 spread on the same certified stone. 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

3.18
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819607477
Dimensions9.37 × 9.45 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.45 mm3.18 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819607477
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $3,800 USD|Low: $431 USD|High: $3,800 USD|Avg: $1,944 USD
Brilliant Earth
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
October 1, 2026
Retailer 3$431 USD
Retailer 13$483 USD
Retailer 2$837 USD
Retailer 14$914 USD
Retailer 12$916 USD
Retailer 10$1,719 USD
Retailer 8$1,988 USD
Retailer 4$2,010 USD
Retailer 11$2,044 USD
Retailer 7$2,163 USD
Retailer 9$2,363 USD
Retailer 6$2,830 USD
Retailer 5$2,900 USD
Brilliant Earth$3,800 USD

23 data points across 14 retailers

14 retailers$431 USD to $3,800 USD

A
Cheapest Retailer
-
$431 USD
A
Retailer 2
-
$483 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$837 USD
€797 EUR
View
A
Retailer 4
-
$916 USD
View
B+
Retailer 5
-
$1,719 USD
View
B+
Retailer 6
-
$1,780 USD
View
B
Retailer 7
-
$1,988 USD
£1,565 GBP
View
B
Retailer 8
-
$2,010 USD
CA$2,792 CAD
View
B
Retailer 9
-
$2,044 USD
View
B
Retailer 10
-
$2,163 USD
SGD 2,923 SGD
View
B
Retailer 11
-
$2,411 USD
View
B
Retailer 12
-
$2,830 USD
View
B
Retailer 13
-
$2,900 USD
View
Most Expensive
B
Brilliant Earth
20802646A · Oct 1
$3,800 USD
View
13 more retailers have this diamond
Prices start from $431 USDSave up to $3,369 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.

A
3.18ct Round
$431 USD