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Oval|Lab Grown|IGI

1.05ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG729569557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG729569557

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of November 1, 2026
Save £1,551 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,709 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729569557 or 729569557. Listed at 24 retailers as of October 31, 2026, with prices from £158 to £1,709, a £1,551 spread on the same certified stone. Brilliant Earth lists it at £1,709. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569557
Dimensions8.13 × 5.82 × 3.60 mm
L/W Ratio1.40
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
8.13 mm5.82 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569557
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

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: Nov 1
Current: £1,709 GBP|Low: £158 GBP|High: £2,037 GBP|Avg: £511 GBP|-16.1%
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 5£158 GBP
Retailer 14£177 GBP
Retailer 6£184 GBP
Retailer 4£196 GBP
Retailer 22£196 GBP
Retailer 17£202 GBP
Retailer 10£220 GBP
Retailer 8£265 GBP
Retailer 2£339 GBP
Retailer 18£363 GBP
Retailer 19£371 GBP
Retailer 11£373 GBP
Retailer 20£431 GBP
Retailer 7£440 GBP
Retailer 23£479 GBP
Retailer 21£480 GBP
Retailer 15£531 GBP
Retailer 3£631 GBP
Retailer 12£671 GBP
Retailer 13£788 GBP
Retailer 16£816 GBP
Retailer 9£920 GBP
Brilliant Earth£1,709 GBP

35 data points across 23 retailers

24 retailers£158 GBP to £1,709 GBP

A
Cheapest Retailer
-
£158 GBP
$212 USD
A
Retailer 2
-
£177 GBP
$237 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$246 USD
View
Retailer 4
-
£196 GBP
$263 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£196 GBP
$263 USD
View
A
Retailer 6
-
£202 GBP
View
A
Retailer 7
-
£220 GBP
HK$2,300 HKD
View
A
Retailer 8
-
£265 GBP
$355 USD
View
A
Retailer 9
-
£339 GBP
ZAR 7,342 ZAR
View
A
Retailer 10
-
£363 GBP
View
A
Retailer 11
-
£371 GBP
€474 EUR
View
A
Retailer 12
-
£373 GBP
$500 USD
View
B+
Retailer 13
-
£431 GBP
A$888 AUD
View
B+
Retailer 14
-
£440 GBP
$590 USD
View
B+
Retailer 15
-
£479 GBP
$642 USD
View
B+
Retailer 16
-
£480 GBP
A$990 AUD
View
B+
Retailer 17
-
£511 GBP
$685 USD
View
B+
Retailer 18
-
£531 GBP
SGD 962 SGD
View
B+
Retailer 19
-
£631 GBP
$846 USD
View
B+
Retailer 20
-
£671 GBP
$899 USD
View
B+
Retailer 21
-
£788 GBP
View
Retailer 22
-
£816 GBP
A$1,683 AUD
View
Price last confirmed 31 days ago
B
Retailer 23
-
£920 GBP
$1,233 USD
View
Most Expensive
B
Brilliant Earth
15943593A · Oct 31
£1,709 GBP
$2,290 USD
View
23 more retailers have this diamond
Prices start from £158 GBPSave up to £1,551 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
1.05ct Oval
£158 GBP