Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG668432768

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG668432768

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 29, 2026
Save £1,850 GBP (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,043 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668432768 or 668432768. Listed at 27 retailers as of October 29, 2026, with prices from £193 to £2,043, a £1,850 spread on the same certified stone. Blue Nile lists it at £2,043. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432768
Dimensions9.49 × 6.43 × 4.02 mm
L/W Ratio1.48
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
9.49 mm6.43 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432768
Side View
Table 59.0%Crown 34.7°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.5%

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: £466 GBP|Low: £185 GBP|High: £2,485 GBP|Avg: £801 GBP|-5.3%
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October 31, 2026
Retailer 2£193 GBP
Retailer 26£224 GBP
Retailer 5£228 GBP
Retailer 4£240 GBP
Retailer 12£358 GBP
Retailer 16£363 GBP
Retailer 7£373 GBP
Retailer 25£435 GBP
Retailer 13£437 GBP
Retailer 24£454 GBP
Retailer 1£466 GBP
Retailer 14£538 GBP
Retailer 15£592 GBP
Retailer 8£604 GBP
Retailer 23£614 GBP
Retailer 6£735 GBP
Retailer 3£849 GBP
Retailer 10£940 GBP
Retailer 17£973 GBP
Retailer 9£1,028 GBP
Retailer 18£1,042 GBP
Retailer 22£1,063 GBP
Retailer 20£1,414 GBP
Retailer 11£1,717 GBP
Retailer 19£1,802 GBP
Retailer 21£1,978 GBP

34 data points across 26 retailers

27 retailers£193 GBP to £2,043 GBP

A
Cheapest Retailer
-
£193 GBP
$258 USD
A
Retailer 2
-
£224 GBP
$300 USD
View
A
Retailer 3
-
£228 GBP
$306 USD
View
Final sale: no returns
A
Retailer 4
-
£240 GBP
$321 USD
View
A
Retailer 5
-
£358 GBP
$480 USD
View
A
Retailer 6
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 7
-
£373 GBP
$500 USD
View
A
Retailer 8
-
£435 GBP
€555 EUR
View
A
Retailer 9
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£437 GBP
$585 USD
View
A
Retailer 10
-
£454 GBP
ZAR 9,821 ZAR
View
A
Retailer 11
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£466 GBP
View
A
Retailer 12
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£538 GBP
A$1,108 AUD
View
A
Retailer 13
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£592 GBP
$793 USD
View
A
Retailer 14
-
£604 GBP
$809 USD
View
A
Retailer 15
-
£614 GBP
A$1,266 AUD
View
B+
Retailer 16
-
£735 GBP
$985 USD
View
B+
Retailer 17
-
£849 GBP
$1,137 USD
View
B+
Retailer 18
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£940 GBP
$1,260 USD
View
B+
Retailer 19
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£973 GBP
$1,303 USD
View
B+
Retailer 20
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£1,028 GBP
$1,378 USD
View
B+
Retailer 21
-
£1,042 GBP
SGD 1,886 SGD
View
B+
Retailer 22
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£1,063 GBP
View
B+
Retailer 23
-
£1,414 GBP
A$2,915 AUD
View
B
Retailer 24
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£1,717 GBP
$2,300 USD
View
Retailer 25
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£1,802 GBP
$2,415 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
£1,978 GBP
$2,650 USD
View
Most Expensive
B
Blue Nile
24056586 · Oct 31
£2,043 GBP
$2,737 USD
View
26 more retailers have this diamond
Prices start from £193 GBPSave up to £1,850 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
1.54ct Oval
£193 GBP