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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 £168 GBP
$225 USD
As of October 29, 2026
Save £1,424 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,592 GBP 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 £168 to £1,592, a £1,424 spread on the same certified stone. Queensmith lists it at £1,592. 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
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

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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: £388 GBP|Low: £161 GBP|High: £1,328 GBP|Avg: £445 GBP|+4.5%
Retailer 1
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Retailer 18
October 31, 2026
Retailer 18£168 GBP
Retailer 2£187 GBP
Retailer 8£195 GBP
Retailer 6£208 GBP
Retailer 10£208 GBP
Retailer 11£256 GBP
Retailer 4£280 GBP
Retailer 12£357 GBP
Retailer 15£377 GBP
Retailer 1£388 GBP
Retailer 9£389 GBP
Retailer 13£507 GBP
Retailer 17£546 GBP
Retailer 16£634 GBP
Retailer 7£669 GBP
Retailer 3£808 GBP
Retailer 14£835 GBP
Retailer 5£1,328 GBP

43 data points across 18 retailers

25 retailers£168 GBP to £1,592 GBP

A
Cheapest Retailer
-
£168 GBP
$225 USD
A
Retailer 2
-
£187 GBP
$251 USD
View
Final sale: no returns
A
Retailer 3
-
£195 GBP
$261 USD
View
A
Retailer 4
-
£208 GBP
$279 USD
View
A
Retailer 5
-
£208 GBP
$279 USD
View
A
Retailer 6
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 7
-
£256 GBP
View
A
Retailer 8
-
£280 GBP
$375 USD
View
A
Retailer 9
-
£357 GBP
ZAR 7,738 ZAR
View
A
Retailer 10
-
£377 GBP
€481 EUR
View
A
Retailer 11
-
£388 GBP
View
A
Retailer 12
-
£389 GBP
$521 USD
View
B+
Retailer 13
-
£432 GBP
$579 USD
View
B+
Retailer 14
-
£507 GBP
A$1,046 AUD
View
B+
Retailer 15
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£546 GBP
$732 USD
View
Retailer 16
-
£634 GBP
$850 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£669 GBP
$896 USD
View
B+
Retailer 18
-
£673 GBP
SGD 1,218 SGD
View
B
Retailer 19
-
£708 GBP
$949 USD
View
B
Retailer 20
-
£718 GBP
$962 USD
View
B
Retailer 21
-
£808 GBP
View
B+
Retailer 22
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£835 GBP
View
B
Retailer 23
-
£950 GBP
$1,273 USD
View
B
Retailer 24
-
£1,328 GBP
$1,780 USD
View
Most Expensive
B
Queensmith
LG781617998 · Oct 27
£1,592 GBP
View
24 more retailers have this diamond
Prices start from £168 GBPSave up to £1,424 GBP

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
£168 GBP