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Oval|Lab Grown|IGI

1.23ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG781617998

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781617998

Diamond specifications and retailer prices

From $225 USD
As of October 29, 2026
Save $1,909 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,134 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781617998 or 781617998. Listed at 25 retailers as of October 27, 2026, with prices from $225 to $2,134, a $1,909 spread on the same certified stone. Queensmith lists it at $2,134. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617998
Dimensions9.16 × 5.87 × 3.63 mm
L/W Ratio1.56
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
9.16 mm5.87 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617998
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.8%

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: $342 USD|Low: $216 USD|High: $1,780 USD|Avg: $596 USD|-0.2%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 18
October 30, 2026
Retailer 18$225 USD
Retailer 2$251 USD
Retailer 8$261 USD
Retailer 6$279 USD
Retailer 10$279 USD
Retailer 1$342 USD
Retailer 4$375 USD
Retailer 12$479 USD
Retailer 15$505 USD
Retailer 11$520 USD
Retailer 9$521 USD
Retailer 13$680 USD
Retailer 17$732 USD
Retailer 16$850 USD
Retailer 7$896 USD
Retailer 3$1,082 USD
Retailer 14$1,119 USD
Retailer 5$1,780 USD

43 data points across 18 retailers

25 retailers$225 USD to $2,134 USD

A
Cheapest Retailer
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$225 USD
A
Retailer 2
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$251 USD
View
Final sale: no returns
A
Retailer 3
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$261 USD
View
A
Retailer 4
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$279 USD
View
A
Retailer 5
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$279 USD
View
A
Retailer 6
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$307 USD
HK$2,400 HKD
View
A
Retailer 7
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$342 USD
£270 GBP
View
A
Retailer 8
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$375 USD
View
A
Retailer 9
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$479 USD
ZAR 7,738 ZAR
View
A
Retailer 10
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$505 USD
€481 EUR
View
A
Retailer 11
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$520 USD
£409 GBP
View
A
Retailer 12
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$521 USD
View
B+
Retailer 13
-
$579 USD
View
B+
Retailer 14
-
$680 USD
A$1,046 AUD
View
B+
Retailer 15
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$732 USD
View
Retailer 16
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$850 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
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$896 USD
View
B+
Retailer 18
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$901 USD
SGD 1,218 SGD
View
B
Retailer 19
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$949 USD
View
B
Retailer 20
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$962 USD
View
B
Retailer 21
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$1,082 USD
£852 GBP
View
B+
Retailer 22
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$1,119 USD
£881 GBP
View
B
Retailer 23
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$1,273 USD
View
B
Retailer 24
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$1,780 USD
View
Most Expensive
B
Queensmith
LG781617998 · Oct 27
$2,134 USD
£1,680 GBP
View
24 more retailers have this diamond
Prices start from $225 USDSave up to $1,909 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
$225 USD