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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 $1,835 SGD
$1,435 USD
As of October 29, 2026
Save $9,850 SGD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,685 SGD 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 $1,835 to $11,685, a $9,850 spread on the same certified stone. Brilliant Earth lists it at $11,685. 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
Colour
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

How it works →
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: $11,685 SGD|Low: $2,053 SGD|High: $13,436 SGD|Avg: $4,803 SGD|-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$2,053 SGD
Retailer 8$2,346 SGD
Retailer 4$2,411 SGD
Retailer 2$3,003 SGD
Retailer 13$3,043 SGD
Retailer 9$3,699 SGD
Retailer 5$3,862 SGD
Retailer 7$4,941 SGD
Retailer 6$5,143 SGD
Retailer 14$5,736 SGD
Retailer 10$6,085 SGD
Retailer 3$7,116 SGD
Retailer 11$7,268 SGD
Brilliant Earth$11,685 SGD

43 data points across 14 retailers

26 retailers$1,835 SGD to $11,685 SGD

A
Cheapest Retailer
-
$1,835 SGD
$1,435 USD
A
Retailer 2
-
$1,996 SGD
$1,561 USD
View
A
Retailer 3
-
$2,053 SGD
$1,606 USD
View
Final sale: no returns
Retailer 4
-
$2,129 SGD
$1,665 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$2,129 SGD
$1,665 USD
View
A
Retailer 6
-
$2,346 SGD
$1,835 USD
View
A
Retailer 7
-
$2,411 SGD
$1,886 USD
View
A
Retailer 8
-
$2,455 SGD
HK$15,000 HKD
View
A
Retailer 9
-
$3,003 SGD
£1,850 GBP
View
A
Retailer 10
-
$3,043 SGD
$2,380 USD
View
A
Retailer 11
-
$3,523 SGD
$2,756 USD
View
B+
Retailer 12
-
$3,699 SGD
€2,756 EUR
View
Retailer 13
-
$3,862 SGD
$3,021 USD
View
Price last confirmed 37 days ago
B+
Retailer 14
-
$3,989 SGD
$3,120 USD
View
B+
Retailer 15
-
$4,243 SGD
$3,319 USD
View
B+
Retailer 16
-
$4,941 SGD
ZAR 62,443 ZAR
View
B+
Retailer 17
-
$5,143 SGD
£3,168 GBP
View
B+
Retailer 18
-
$5,736 SGD
$4,487 USD
View
B+
Retailer 19
-
$6,085 SGD
£3,748 GBP
View
B
Retailer 20
-
$6,564 SGD
$5,134 USD
View
B
Retailer 21
-
$7,116 SGD
View
Retailer 22
-
$7,268 SGD
$5,685 USD
View
Price last confirmed 12 days ago
B
Retailer 23
-
$7,488 SGD
$5,858 USD
View
B
Retailer 24
-
$7,745 SGD
$6,058 USD
View
Retailer 25
-
$7,939 SGD
£4,890 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14309880A · Oct 30
$11,685 SGD
$9,140 USD
View
25 more retailers have this diamond
Prices start from $1,835 SGDSave up to $9,850 SGD

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
$1,835 SGD