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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG816625304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816625304

Diamond specifications and retailer prices

From $258 SGD
$201 USD
As of October 29, 2026
Save $2,216 SGD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,474 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816625304 or 816625304. Listed at 17 retailers as of October 29, 2026, with prices from $258 to $2,474, a $2,216 spread on the same certified stone. Brilliant Earth lists it at $2,474. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625304
Dimensions8.61 × 6.12 × 3.69 mm
L/W Ratio1.41
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
8.61 mm6.12 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816625304
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.3%

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: $2,474 SGD|Low: $251 SGD|High: $2,474 SGD|Avg: $838 SGD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 10$258 SGD
Retailer 7$288 SGD
Retailer 16$299 SGD
Retailer 3$319 SGD
Retailer 18$319 SGD
Retailer 12$548 SGD
Retailer 8$555 SGD
Retailer 14$557 SGD
Retailer 2$585 SGD
Retailer 15$822 SGD
Retailer 5$1,014 SGD
Retailer 4$1,025 SGD
Retailer 9$1,073 SGD
Retailer 6$1,094 SGD
Retailer 17$1,129 SGD
Retailer 11$1,499 SGD
Retailer 13$1,884 SGD
Brilliant Earth$2,474 SGD

40 data points across 18 retailers

17 retailers$258 SGD to $2,474 SGD

A
Cheapest Retailer
-
$258 SGD
$201 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$299 SGD
$233 USD
View
A
Retailer 4
-
$319 SGD
$249 USD
View
A
Retailer 5
-
$319 SGD
$249 USD
View
A
Retailer 6
-
$548 SGD
ZAR 6,904 ZAR
View
A
Retailer 7
-
$555 SGD
$433 USD
View
A
Retailer 8
-
$585 SGD
£359 GBP
View
B+
Retailer 9
-
$822 SGD
$641 USD
View
B+
Retailer 10
-
$1,014 SGD
$791 USD
View
B+
Retailer 11
-
$1,025 SGD
$800 USD
View
B+
Retailer 12
-
$1,073 SGD
View
B+
Retailer 13
-
$1,094 SGD
$854 USD
View
B+
Retailer 14
-
$1,129 SGD
$881 USD
View
B+
Retailer 15
-
$1,499 SGD
£921 GBP
View
Retailer 16
-
$1,884 SGD
$1,470 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21434459A · Oct 29
$2,474 SGD
$1,930 USD
View
16 more retailers have this diamond
Prices start from $258 SGDSave up to $2,216 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
1.23ct Oval
$258 SGD