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Oval|Lab Grown|IGI

4.05ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG797669797

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797669797

Diamond specifications and retailer prices

From $2,813 SGD
£1,733 GBP
As of November 1, 2026
Save $8,985 SGD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,798 SGD at Taylor and Hart · As of October 31, 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 LG797669797 or 797669797. Listed at 26 retailers as of October 31, 2026, with prices from $2,813 to $11,798, a $8,985 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797669797
Dimensions12.92 × 8.87 × 5.58 mm
L/W Ratio1.46
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
12.92 mm8.87 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797669797
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.9%

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: Nov 1
Current: $2,813 SGD|Low: $2,795 SGD|High: $12,592 SGD|Avg: $5,811 SGD|-1.0%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 1$2,813 SGD
Retailer 15$2,911 SGD
Retailer 3$3,168 SGD
Retailer 9$3,378 SGD
Retailer 17$3,378 SGD
Retailer 10$4,611 SGD
Retailer 2$4,642 SGD
Retailer 12$4,775 SGD
Retailer 6$5,078 SGD
Retailer 11$5,346 SGD
Retailer 7$7,035 SGD
Retailer 14$7,189 SGD
Retailer 4$7,247 SGD
Retailer 5$7,894 SGD
Retailer 8$8,568 SGD
Retailer 16$9,175 SGD
Retailer 13$10,930 SGD

33 data points across 17 retailers

26 retailers$2,813 SGD to $11,798 SGD

A
Cheapest Retailer
-
$2,813 SGD
£1,733 GBP
A
Retailer 2
-
$2,911 SGD
$2,277 USD
View
A
Retailer 3
-
$3,168 SGD
$2,478 USD
View
A
Retailer 4
-
$3,259 SGD
$2,549 USD
View
Final sale: no returns
Retailer 5
-
$3,378 SGD
$2,642 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$3,378 SGD
$2,642 USD
View
A
Retailer 7
-
$3,586 SGD
$2,805 USD
View
A
Retailer 8
-
$3,655 SGD
$2,859 USD
View
A
Retailer 9
-
$4,611 SGD
£2,840 GBP
View
A
Retailer 10
-
$4,642 SGD
$3,631 USD
View
A
Retailer 11
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$4,775 SGD
$3,735 USD
View
A
Retailer 12
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$5,078 SGD
$3,972 USD
View
A
Retailer 13
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$5,176 SGD
$4,049 USD
View
A
Retailer 14
-
$5,346 SGD
€3,983 EUR
View
A
Retailer 15
-
$6,410 SGD
£3,948 GBP
View
B+
Retailer 16
-
$7,035 SGD
$5,503 USD
View
A
Retailer 17
-
$7,189 SGD
ZAR 90,846 ZAR
View
Retailer 18
-
$7,247 SGD
A$8,721 AUD
View
Price last confirmed 9 days ago
Retailer 19
-
$7,894 SGD
$6,175 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
$8,568 SGD
$6,702 USD
View
B+
Retailer 21
-
$8,825 SGD
$6,903 USD
View
B+
Retailer 22
-
$9,018 SGD
$7,054 USD
View
B+
Retailer 23
-
$9,175 SGD
£5,651 GBP
View
B+
Retailer 24
-
$9,535 SGD
$7,459 USD
View
B+
Retailer 25
-
$10,930 SGD
$8,550 USD
View
Most Expensive
B
Taylor and Hart
90ZK4C7 · Oct 31
$11,798 SGD
$9,229 USD
View
25 more retailers have this diamond
Prices start from $2,813 SGDSave up to $8,985 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
$2,813 SGD