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Oval|Lab Grown|IGI

3.18ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG746509278

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746509278

Diamond specifications and retailer prices

From $1,500 USD
As of October 30, 2026
Save $4,376 USD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,419 USD at Yadav Diamonds · As of October 14, 2026
View at Yadav Diamonds

About this 3.18ct lab-grown oval diamond

This 3.18ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG746509278 or 746509278. Listed at 19 retailers as of October 30, 2026, with a 292% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746509278
Dimensions12.13 × 8.17 × 5.05 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.13 mm8.17 mm3.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746509278
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $4,999 USD|Low: $1,047 USD|High: $12,419 USD|Avg: $4,542 USD|+1.0%
Retailer 1
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Retailer 23
Yadav Diamonds
October 30, 2026
Retailer 9$1,500 USD
Retailer 7$1,514 USD
Retailer 4$1,675 USD
Retailer 11$2,372 USD
Retailer 17$2,381 USD
Retailer 18$2,398 USD
Retailer 2$2,525 USD
Retailer 8$2,563 USD
Retailer 12$2,976 USD
Retailer 20$3,814 USD
Retailer 5$4,008 USD
Retailer 6$4,086 USD
Retailer 23$4,146 USD
Retailer 21$4,212 USD
Retailer 14$4,215 USD
Retailer 13$4,638 USD
Retailer 19$4,787 USD
Retailer 1$4,999 USD
Retailer 16$5,876 USD
Retailer 15$6,456 USD
Retailer 10$7,141 USD
Retailer 22$10,310 USD
Retailer 3$10,320 USD
Yadav Diamonds$12,419 USD

14 data points across 24 retailers

19 retailers$1,500 USD to $5,876 USD

A
Cheapest Retailer
-
$1,500 USD
Final sale: no returns
Retailer 2
-
$2,372 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$2,381 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$2,398 USD
£1,888 GBP
View
Price last confirmed 15 days ago
Retailer 5
-
$2,563 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$2,976 USD
A$4,578 AUD
View
Retailer 7
-
$3,814 USD
ZAR 61,622 ZAR
View
Price last confirmed 15 days ago
Retailer 8
-
$4,008 USD
£3,156 GBP
View
Price last confirmed 15 days ago
Retailer 9
-
$4,086 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$4,146 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$4,215 USD
View
Retailer 12
-
$4,638 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$4,787 USD
£3,769 GBP
View
Price last confirmed 15 days ago
B+
Retailer 14
-
$4,999 USD
£3,936 GBP
View
B
Retailer 15
-
$5,876 USD
View
B
Retailer 16
-
$5,876 USD
View
Retailer 17
-
$6,456 USD
A$9,933 AUD
View
Price last confirmed 21 days ago
Retailer 18
-
$10,320 USD
View
Price last confirmed 14 days ago
Most Expensive
Yadav Diamonds
13313232 · Oct 14
$12,419 USD
View
Price last confirmed 16 days ago
18 more retailers have this diamond
Prices start from $1,500 USDSave up to $4,376 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 Oval
$1,500 USD