CaratHunter
Plans
Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG846662474

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846662474

Diamond specifications and retailer prices

From £145 GBP
$195 USD
As of November 1, 2026
Save £1,248 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,394 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 LG846662474 or 846662474. Listed at 15 retailers as of November 1, 2026, with prices from £145 to £1,394, a £1,248 spread on the same certified stone. Do Amore Diamonds lists it at £1,394. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662474
Dimensions8.32 × 5.99 × 3.77 mm
L/W Ratio1.39
Girdle conditionFaceted
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
8.32 mm5.99 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662474
Side View
Table 56.0%Crown 34.9°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,394 GBP|Low: £145 GBP|High: £1,535 GBP|Avg: £614 GBP|-1.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 12£145 GBP
Retailer 5£168 GBP
Retailer 8£204 GBP
Retailer 13£296 GBP
Retailer 15£314 GBP
Retailer 10£340 GBP
Retailer 6£448 GBP
Retailer 2£486 GBP
Retailer 14£581 GBP
Retailer 3£622 GBP
Retailer 4£639 GBP
Retailer 9£796 GBP
Retailer 7£1,140 GBP
Retailer 11£1,326 GBP
Do Amore Diamonds£1,394 GBP

14 data points across 15 retailers

15 retailers£145 GBP to £1,394 GBP

A+
Cheapest Retailer
-
£145 GBP
$195 USD
A
Retailer 2
-
£168 GBP
$226 USD
View
A
Retailer 3
-
£204 GBP
View
A
Retailer 4
-
£296 GBP
$397 USD
View
A
Retailer 5
-
£314 GBP
$422 USD
View
A
Retailer 6
-
£340 GBP
€434 EUR
View
A
Retailer 7
-
£448 GBP
$601 USD
View
A
Retailer 8
-
£486 GBP
A$1,003 AUD
View
B+
Retailer 9
-
£581 GBP
$779 USD
View
B+
Retailer 10
-
£622 GBP
$835 USD
View
B+
Retailer 11
-
£639 GBP
$857 USD
View
B+
Retailer 12
-
£796 GBP
View
Retailer 13
-
£1,140 GBP
$1,530 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
£1,326 GBP
$1,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-6D0C86071 · Nov 2
£1,394 GBP
$1,870 USD
View
14 more retailers have this diamond
Prices start from £145 GBPSave up to £1,248 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
£145 GBP