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Oval|Lab Grown|IGI

3.16ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG669421183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG669421183

Diamond specifications and retailer prices

From $1,435 USD
As of October 29, 2026
Save $7,705 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $9,140 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.16ct lab-grown oval diamond

This 3.16ct 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 LG669421183 or 669421183. Listed at 26 retailers as of October 29, 2026, with prices from $1,435 to $9,140, a $7,705 spread on the same certified stone. Brilliant Earth lists it at $9,140. 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

3.16
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421183
Dimensions11.66 × 8.32 × 5.21 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.66 mm8.32 mm3.16 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421183
Side View
Table 61.0%Crown 34.9°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 62.6%

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: $9,140 USD|Low: $1,606 USD|High: $10,510 USD|Avg: $3,754 USD|-13.0%
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 30, 2026
Retailer 12$1,606 USD
Retailer 8$1,835 USD
Retailer 4$1,886 USD
Retailer 2$2,349 USD
Retailer 13$2,380 USD
Retailer 9$2,894 USD
Retailer 5$3,021 USD
Retailer 7$3,865 USD
Retailer 6$4,023 USD
Retailer 14$4,487 USD
Retailer 10$4,760 USD
Retailer 3$5,566 USD
Retailer 11$5,685 USD
Brilliant Earth$9,140 USD

44 data points across 14 retailers

26 retailers$1,435 USD to $9,140 USD

A
Cheapest Retailer
-
$1,435 USD
A
Retailer 2
-
$1,561 USD
View
A
Retailer 3
-
$1,606 USD
View
Final sale: no returns
Retailer 4
-
$1,665 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,665 USD
View
A
Retailer 6
-
$1,835 USD
View
A
Retailer 7
-
$1,886 USD
View
A
Retailer 8
-
$1,920 USD
HK$15,000 HKD
View
A
Retailer 9
-
$2,349 USD
£1,850 GBP
View
A
Retailer 10
-
$2,380 USD
View
A
Retailer 11
-
$2,756 USD
View
B+
Retailer 12
-
$2,894 USD
€2,756 EUR
View
Retailer 13
-
$3,021 USD
View
Price last confirmed 37 days ago
B+
Retailer 14
-
$3,120 USD
View
B+
Retailer 15
-
$3,319 USD
View
B+
Retailer 16
-
$3,865 USD
ZAR 62,443 ZAR
View
B+
Retailer 17
-
$4,023 USD
£3,168 GBP
View
B+
Retailer 18
-
$4,487 USD
View
B+
Retailer 19
-
$4,760 USD
£3,748 GBP
View
B
Retailer 20
-
$5,134 USD
View
B
Retailer 21
-
$5,566 USD
SGD 7,522 SGD
View
Retailer 22
-
$5,685 USD
View
Price last confirmed 11 days ago
B
Retailer 23
-
$5,858 USD
View
B
Retailer 24
-
$6,058 USD
View
Retailer 25
-
$6,210 USD
£4,890 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14309880A · Oct 30
$9,140 USD
View
25 more retailers have this diamond
Prices start from $1,435 USDSave up to $7,705 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
3.16ct Oval
$1,435 USD