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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG744515485

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG744515485

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of November 3, 2026
Save £1,312 GBP (88%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,491 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown oval diamond

This 1.21ct 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 LG744515485 or 744515485. Listed at 29 retailers as of November 2, 2026, with prices from £180 to £1,491, a £1,312 spread on the same certified stone. Do Amore Diamonds lists it at £1,491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515485
Dimensions8.80 × 5.97 × 3.69 mm
L/W Ratio1.47
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
8.80 mm5.97 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515485
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £1,491 GBP|Low: £173 GBP|High: £1,536 GBP|Avg: £646 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 3, 2026
Retailer 5£180 GBP
Retailer 3£220 GBP
Retailer 7£302 GBP
Retailer 6£305 GBP
Retailer 15£358 GBP
Retailer 13£368 GBP
Retailer 11£374 GBP
Retailer 2£398 GBP
Retailer 9£441 GBP
Retailer 16£464 GBP
Retailer 10£464 GBP
Retailer 19£519 GBP
Retailer 4£622 GBP
Retailer 12£812 GBP
Retailer 20£854 GBP
Retailer 14£876 GBP
Retailer 8£910 GBP
Retailer 18£928 GBP
Retailer 21£1,141 GBP
Retailer 17£1,327 GBP
Do Amore Diamonds£1,491 GBP

37 data points across 21 retailers

29 retailers£180 GBP to £1,491 GBP

Retailer 1
-
£161 GBP
$216 USD
Price last confirmed 35 days ago
A
Retailer 2
-
£180 GBP
$241 USD
View
Final sale: no returns
Retailer 3
-
£180 GBP
$242 USD
View
Price last confirmed 20 days ago
Retailer 4
-
£187 GBP
$251 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
£193 GBP
$259 USD
View
Retailer 6
-
£193 GBP
$259 USD
View
Price last confirmed 24 days ago
Retailer 7
-
£193 GBP
$259 USD
View
Price last confirmed 31 days ago
Retailer 8
-
£198 GBP
$265 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
£302 GBP
$405 USD
View
A
Retailer 10
-
£305 GBP
HK$3,200 HKD
View
A
Retailer 11
-
£358 GBP
€457 EUR
View
A
Retailer 12
-
£368 GBP
ZAR 7,963 ZAR
View
A
Retailer 13
-
£374 GBP
$502 USD
View
A
Retailer 14
-
£398 GBP
View
A
Retailer 15
-
£441 GBP
$592 USD
View
B+
Retailer 16
-
£464 GBP
A$958 AUD
View
B+
Retailer 17
-
£464 GBP
$623 USD
View
B+
Retailer 18
-
£519 GBP
A$1,071 AUD
View
B+
Retailer 19
-
£622 GBP
$834 USD
View
Retailer 20
-
£685 GBP
$918 USD
View
Price last confirmed 24 days ago
Retailer 21
-
£710 GBP
$952 USD
View
Price last confirmed 34 days ago
B
Retailer 22
-
£812 GBP
$1,089 USD
View
Retailer 23
-
£854 GBP
View
Price last confirmed 7 days ago
B
Retailer 24
-
£876 GBP
SGD 1,587 SGD
View
B
Retailer 25
-
£910 GBP
$1,221 USD
View
B+
Retailer 26
-
£928 GBP
A$1,914 AUD
View
Retailer 27
-
£1,141 GBP
$1,530 USD
View
Price last confirmed 13 days ago
B
Retailer 28
-
£1,327 GBP
$1,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-7CF010663 · Nov 2
£1,491 GBP
$2,000 USD
View
28 more retailers have this diamond
Prices start from £180 GBPSave up to £1,312 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
1.21ct Oval
£180 GBP