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Oval|Lab Grown|IGI

1.05ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG615345371

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG615345371

Diamond specifications and retailer prices

From £137 GBP
$184 USD
As of October 29, 2026
Save £1,184 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,321 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG615345371 or 615345371. Listed at 24 retailers as of October 29, 2026, with prices from £137 to £1,321, a £1,184 spread on the same certified stone. Do Amore Diamonds lists it at £1,321. 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 angle33.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615345371
Dimensions8.35 × 5.73 × 3.60 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
8.35 mm5.73 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615345371
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 62.8%

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: £1,321 GBP|Low: £137 GBP|High: £1,545 GBP|Avg: £517 GBP
Do Amore Diamonds
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November 1, 2026
Retailer 3£137 GBP
Retailer 13£156 GBP
Retailer 24£160 GBP
Retailer 6£171 GBP
Retailer 5£195 GBP
Retailer 8£267 GBP
Retailer 15£277 GBP
Retailer 23£321 GBP
Retailer 21£323 GBP
Retailer 11£340 GBP
Retailer 2£346 GBP
Retailer 14£350 GBP
Retailer 12£403 GBP
Retailer 18£431 GBP
Retailer 22£460 GBP
Retailer 7£579 GBP
Retailer 4£605 GBP
Retailer 17£662 GBP
Retailer 16£734 GBP
Retailer 9£816 GBP
Retailer 10£854 GBP
Retailer 20£885 GBP
Retailer 19£1,134 GBP
Do Amore Diamonds£1,321 GBP

35 data points across 24 retailers

24 retailers£137 GBP to £1,321 GBP

A
Cheapest Retailer
-
£137 GBP
$184 USD
A
Retailer 2
-
£156 GBP
$209 USD
View
Final sale: no returns
A
Retailer 3
-
£160 GBP
$214 USD
View
A
Retailer 4
-
£171 GBP
$229 USD
View
Retailer 5
-
£195 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£267 GBP
$358 USD
View
A
Retailer 7
-
£277 GBP
HK$2,900 HKD
View
A
Retailer 8
-
£321 GBP
€409 EUR
View
A
Retailer 9
-
£323 GBP
ZAR 7,000 ZAR
View
A
Retailer 10
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£340 GBP
$455 USD
View
A
Retailer 11
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£346 GBP
View
A
Retailer 12
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£350 GBP
$469 USD
View
A
Retailer 13
-
£403 GBP
$541 USD
View
B+
Retailer 14
-
£431 GBP
A$888 AUD
View
B+
Retailer 15
-
£460 GBP
A$949 AUD
View
B+
Retailer 16
-
£579 GBP
$776 USD
View
B+
Retailer 17
-
£605 GBP
$811 USD
View
B+
Retailer 18
-
£662 GBP
SGD 1,198 SGD
View
B+
Retailer 19
-
£734 GBP
$984 USD
View
Retailer 20
-
£816 GBP
A$1,683 AUD
View
Price last confirmed 28 days ago
B
Retailer 21
-
£854 GBP
$1,145 USD
View
B+
Retailer 22
-
£885 GBP
View
B
Retailer 23
-
£1,134 GBP
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-E453C6EF5 · Oct 31
£1,321 GBP
$1,770 USD
View
23 more retailers have this diamond
Prices start from £137 GBPSave up to £1,184 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
£137 GBP