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Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG727563477

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727563477

Diamond specifications and retailer prices

From $192 USD
As of October 29, 2026
Save $2,043 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,235 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG727563477 or 727563477. Listed at 24 retailers as of October 27, 2026, with prices from $192 to $2,235, a $2,043 spread on the same certified stone. Queensmith lists it at $2,235. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727563477
Dimensions8.86 × 6.08 × 3.74 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
8.86 mm6.08 mm1.23 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727563477
Side View
Table 55.0%Crown 33.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.5%

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: $485 USD|Low: $192 USD|High: $1,910 USD|Avg: $745 USD|-11.5%
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Retailer 23
October 29, 2026
Retailer 7$192 USD
Retailer 4$214 USD
Retailer 20$223 USD
Retailer 10$238 USD
Retailer 23$238 USD
Retailer 17$280 USD
Retailer 14$341 USD
Retailer 9$371 USD
Retailer 18$452 USD
Retailer 22$485 USD
Retailer 1$485 USD
Retailer 21$620 USD
Retailer 19$644 USD
Retailer 3$769 USD
Retailer 6$846 USD
Retailer 13$1,018 USD
Retailer 11$1,021 USD
Retailer 8$1,058 USD
Retailer 12$1,060 USD
Retailer 2$1,170 USD
Retailer 15$1,470 USD
Retailer 5$1,850 USD
Retailer 16$1,910 USD

33 data points across 23 retailers

24 retailers$192 USD to $2,235 USD

A
Cheapest Retailer
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$192 USD
A
Retailer 2
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$214 USD
View
Final sale: no returns
A
Retailer 3
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$223 USD
View
A
Retailer 4
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$238 USD
View
A
Retailer 5
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$238 USD
View
A
Retailer 6
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$280 USD
£220 GBP
View
B+
Retailer 7
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$341 USD
View
A
Retailer 8
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$371 USD
HK$2,900 HKD
View
A
Retailer 9
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$452 USD
ZAR 7,305 ZAR
View
A
Retailer 10
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$485 USD
View
A
Retailer 11
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$485 USD
£382 GBP
View
A
Retailer 12
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$620 USD
View
A
Retailer 13
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$644 USD
A$990 AUD
View
B+
Retailer 14
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$769 USD
View
B+
Retailer 15
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$846 USD
View
B+
Retailer 16
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$1,018 USD
View
B+
Retailer 17
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$1,021 USD
£804 GBP
View
B+
Retailer 18
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$1,058 USD
SGD 1,430 SGD
View
B+
Retailer 19
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$1,060 USD
£835 GBP
View
B
Retailer 20
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$1,170 USD
View
Retailer 21
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$1,470 USD
View
Price last confirmed 22 days ago
B
Retailer 22
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$1,850 USD
View
B
Retailer 23
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$1,910 USD
View
Most Expensive
B
Queensmith
LG727563477 · Oct 27
$2,235 USD
£1,760 GBP
View
23 more retailers have this diamond
Prices start from $192 USDSave up to $2,043 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
1.23ct Oval
$192 USD