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Round|Lab Grown|IGI

3.18ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG787676979

Certificate IGI LG787676979

Diamond specifications and retailer prices

From $815 USD
€776 EUR
Save $1,181 USD (59%) vs most expensive(unlock to see where)
10 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 LG787676979 or 787676979. Listed at 10 retailers, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787676979
Dimensions9.46 × 9.52 × 5.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.46 mm9.52 mm3.18 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787676979
Side View
Table 62.0%Crown 32.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.7%

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 25
Current: $3,800 USD|Low: $427 USD|High: $3,800 USD|Avg: $1,654 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
September 25, 2026
Retailer 11$427 USD
Retailer 9$479 USD
Retailer 2$815 USD
Retailer 3$880 USD
Retailer 8$911 USD
Retailer 4$1,700 USD
Retailer 12$1,719 USD
Retailer 5$1,751 USD
Retailer 10$1,965 USD
Retailer 6$1,996 USD
Retailer 7$2,041 USD
Retailer 13$2,363 USD
Brilliant Earth$3,800 USD

6 data points across 13 retailers

10 retailers$815 USD to $1,996 USD

A
Retailer 1
-
$427 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$479 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$815 USD
€776 EUR
View
A
Retailer 4
-
$911 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$1,719 USD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$1,965 USD
£1,547 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
$1,996 USD
View
B
Retailer 8
-
$2,041 USD
SGD 2,758 SGD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$2,363 USD
View
Price last confirmed 50 days ago
Most Expensive
B
Brilliant Earth
20804997A · Sep 23
$3,800 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $815 USDSave up to $1,181 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
$815 USD