Round|Lab Grown|IGI

1.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754594613

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754594613

Diamond specifications and retailer prices

From £339 GBP
As of November 3, 2026
Save £2,046 GBP (86%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,385 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594613 or 754594613. Listed at 31 retailers as of November 3, 2026, with prices from £339 to £2,385, a £2,046 spread on the same certified stone. Brilliant Earth lists it at £2,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594613
Dimensions7.40 × 7.44 × 4.52 mm
L/W Ratio1.01
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
7.40 mm7.44 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594613
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 3
Current: £2,385 GBP|Low: £339 GBP|High: £3,304 GBP|Avg: £937 GBP|-27.8%
Brilliant Earth
Retailer 2
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Retailer 22
November 4, 2026
Retailer 7£339 GBP
Retailer 21£398 GBP
Retailer 22£446 GBP
Retailer 6£490 GBP
Retailer 20£493 GBP
Retailer 9£529 GBP
Retailer 13£561 GBP
Retailer 16£598 GBP
Retailer 2£619 GBP
Retailer 10£630 GBP
Retailer 8£744 GBP
Retailer 11£798 GBP
Retailer 19£804 GBP
Retailer 3£973 GBP
Retailer 12£1,143 GBP
Retailer 14£1,163 GBP
Retailer 15£1,179 GBP
Retailer 4£1,299 GBP
Retailer 18£1,302 GBP
Retailer 5£1,304 GBP
Retailer 17£1,356 GBP
Brilliant Earth£2,385 GBP

38 data points across 22 retailers

31 retailers£339 GBP to £2,385 GBP

Retailer 1
-
£280 GBP
Price last confirmed 25 days ago
Retailer 2
-
£296 GBP
View
Price last confirmed 37 days ago
Retailer 3
-
£313 GBP
View
Price last confirmed 29 days ago
Retailer 4
-
£331 GBP
View
Price last confirmed 43 days ago
A
Retailer 5
-
£339 GBP
View
Final sale: no returns
Retailer 6
-
£347 GBP
View
Price last confirmed 25 days ago
Retailer 7
-
£347 GBP
View
Price last confirmed 33 days ago
A
Retailer 8
-
£347 GBP
View
Retailer 9
-
£362 GBP
View
Price last confirmed 36 days ago
A
Retailer 10
-
£398 GBP
View
A
Retailer 11
-
£490 GBP
View
A
Retailer 12
-
£493 GBP
View
A
Retailer 13
-
£529 GBP
View
A
Retailer 14
-
£561 GBP
View
A
Retailer 15
-
£598 GBP
View
A
Retailer 16
-
£619 GBP
View
A
Retailer 17
-
£630 GBP
View
B+
Retailer 18
-
£744 GBP
View
B+
Retailer 19
-
£798 GBP
View
B+
Retailer 20
-
£804 GBP
View
B+
Retailer 21
-
£973 GBP
View
Retailer 22
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£1,115 GBP
View
Price last confirmed 26 days ago
B+
Retailer 23
-
£1,143 GBP
View
B+
Retailer 24
-
£1,163 GBP
View
B+
Retailer 25
-
£1,179 GBP
View
Retailer 26
-
£1,179 GBP
View
Price last confirmed 35 days ago
B
Retailer 27
-
£1,299 GBP
View
B+
Retailer 28
-
£1,302 GBP
View
B
Retailer 29
-
£1,304 GBP
View
B+
Retailer 30
-
£1,356 GBP
View
Most Expensive
B
Brilliant Earth
17981534A · Nov 3
£2,385 GBP
$3,220 USD
View
30 more retailers have this diamond
Prices start from £339 GBPSave up to £2,046 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
1.53ct Round
£339 GBP