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Oval|Lab Grown|IGI

1.03ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG669420401

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG669420401

Diamond specifications and retailer prices

From £135 GBP
$181 USD
As of November 1, 2026
Save £1,164 GBP (90%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: £1,299 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown oval diamond

This 1.03ct 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 LG669420401 or 669420401. Listed at 35 retailers as of October 31, 2026, with prices from £135 to £1,299, a £1,164 spread on the same certified stone. Do Amore Diamonds lists it at £1,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669420401
Dimensions8.29 × 5.60 × 3.57 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
8.29 mm5.60 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669420401
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,299 GBP|Low: £135 GBP|High: £1,523 GBP|Avg: £537 GBP
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 3£135 GBP
Retailer 22£153 GBP
Retailer 23£157 GBP
Retailer 5£168 GBP
Retailer 7£263 GBP
Retailer 14£267 GBP
Retailer 21£315 GBP
Retailer 2£320 GBP
Retailer 10£328 GBP
Retailer 18£337 GBP
Retailer 12£347 GBP
Retailer 11£396 GBP
Retailer 20£453 GBP
Retailer 6£569 GBP
Retailer 4£596 GBP
Retailer 16£654 GBP
Retailer 15£724 GBP
Retailer 8£800 GBP
Retailer 13£832 GBP
Retailer 9£847 GBP
Retailer 17£866 GBP
Retailer 19£1,112 GBP
Do Amore Diamonds£1,299 GBP

38 data points across 23 retailers

35 retailers£135 GBP to £1,299 GBP

A
Cheapest Retailer
-
£135 GBP
$181 USD
A
Retailer 2
-
£153 GBP
$205 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$210 USD
View
A
Retailer 4
-
£168 GBP
$225 USD
View
A
Retailer 5
-
£263 GBP
$352 USD
View
A
Retailer 6
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 7
-
£315 GBP
€402 EUR
View
A
Retailer 8
-
£320 GBP
ZAR 6,921 ZAR
View
A
Retailer 9
-
£328 GBP
$439 USD
View
A
Retailer 10
-
£337 GBP
View
A
Retailer 11
-
£347 GBP
$465 USD
View
A
Retailer 12
-
£396 GBP
$530 USD
View
B+
Retailer 13
-
£453 GBP
A$933 AUD
View
B+
Retailer 14
-
£569 GBP
$763 USD
View
B+
Retailer 15
-
£596 GBP
$798 USD
View
B+
Retailer 16
-
£654 GBP
SGD 1,185 SGD
View
B
Retailer 17
-
£724 GBP
$970 USD
View
Retailer 18
-
£800 GBP
A$1,650 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
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£806 GBP
$1,080 USD
View
B
Retailer 20
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£821 GBP
$1,100 USD
View
B
Retailer 21
-
£832 GBP
$1,115 USD
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B
Retailer 22
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£832 GBP
$1,115 USD
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B
Retailer 23
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£832 GBP
$1,115 USD
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B
Retailer 24
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£832 GBP
$1,115 USD
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B
Retailer 25
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£832 GBP
$1,115 USD
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B
Retailer 26
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£832 GBP
$1,115 USD
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B
Retailer 27
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£832 GBP
$1,115 USD
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B
Retailer 28
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£832 GBP
$1,115 USD
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B
Retailer 29
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£832 GBP
$1,115 USD
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B
Retailer 30
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£832 GBP
$1,115 USD
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B
Retailer 31
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£832 GBP
$1,115 USD
View
B
Retailer 32
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£847 GBP
$1,135 USD
View
B+
Retailer 33
-
£866 GBP
View
B
Retailer 34
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£1,112 GBP
$1,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-1280A5C87 · Oct 31
£1,299 GBP
$1,740 USD
View
34 more retailers have this diamond
Prices start from £135 GBPSave up to £1,164 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
1.03ct Oval
£135 GBP