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Oval|Lab Grown|IGI

4.05ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812620712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620712

Diamond specifications and retailer prices

From $4,650 SGD
£2,864 GBP
As of October 31, 2026
Save $7,148 SGD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,798 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown oval diamond

This 4.05ct 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 LG812620712 or 812620712. Listed at 13 retailers as of October 30, 2026, with prices from $4,650 to $11,798, a $7,148 spread on the same certified stone. Taylor and Hart lists it at $11,798. 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

4.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620712
Dimensions13.01 × 9.02 × 5.59 mm
L/W Ratio1.44
Girdle conditionFaceted
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
13.01 mm9.02 mm4.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620712
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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 31
Current: $5,346 SGD|Low: $3,586 SGD|High: $13,142 SGD|Avg: $8,157 SGD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 4$3,586 SGD
Retailer 5$4,650 SGD
Retailer 6$4,775 SGD
Retailer 2$5,078 SGD
Retailer 1$5,346 SGD
Retailer 9$7,035 SGD
Retailer 8$7,189 SGD
Retailer 3$7,907 SGD
Retailer 10$8,568 SGD
Retailer 11$8,825 SGD
Retailer 12$9,175 SGD
Retailer 7$10,930 SGD
Taylor and Hart$11,798 SGD

37 data points across 13 retailers

13 retailers$4,650 SGD to $11,798 SGD

Retailer 1
-
$3,586 SGD
$2,805 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$4,650 SGD
£2,864 GBP
View
A
Retailer 3
-
$4,775 SGD
$3,735 USD
View
A
Retailer 4
-
$5,078 SGD
$3,972 USD
View
A
Retailer 5
-
$5,346 SGD
€3,983 EUR
View
A
Retailer 6
-
$7,035 SGD
$5,503 USD
View
A
Retailer 7
-
$7,189 SGD
ZAR 90,846 ZAR
View
Retailer 8
-
$7,907 SGD
$6,185 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$8,568 SGD
$6,702 USD
View
B+
Retailer 10
-
$8,825 SGD
$6,903 USD
View
B+
Retailer 11
-
$9,175 SGD
£5,651 GBP
View
B+
Retailer 12
-
$10,930 SGD
$8,550 USD
View
Most Expensive
B
Taylor and Hart
156HLYX · Oct 30
$11,798 SGD
$9,229 USD
View
12 more retailers have this diamond
Prices start from $4,650 SGDSave up to $7,148 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
4.05ct Oval
$4,650 SGD