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Round|Lab Grown|IGI

1.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG733524935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733524935

Diamond specifications and retailer prices

From £308 GBP
As of November 3, 2026
Save £2,996 GBP (91%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: £3,304 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 LG733524935 or 733524935. Listed at 34 retailers as of November 3, 2026, with prices from £308 to £3,304, a £2,996 spread on the same certified stone. Brilliant Earth lists it at £3,304. 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 angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733524935
Dimensions7.35 × 7.38 × 4.57 mm
L/W Ratio1.00
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
7.35 mm7.38 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733524935
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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: £3,304 GBP|Low: £308 GBP|High: £3,304 GBP|Avg: £991 GBP|+25.3%
Brilliant Earth
Retailer 2
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Retailer 22
November 4, 2026
Retailer 10£308 GBP
Retailer 3£446 GBP
Retailer 22£455 GBP
Retailer 19£470 GBP
Retailer 8£490 GBP
Retailer 11£504 GBP
Retailer 16£561 GBP
Retailer 9£573 GBP
Retailer 17£598 GBP
Retailer 13£619 GBP
Retailer 12£639 GBP
Retailer 14£798 GBP
Retailer 21£804 GBP
Retailer 4£921 GBP
Retailer 5£1,187 GBP
Retailer 7£1,215 GBP
Retailer 15£1,230 GBP
Retailer 20£1,302 GBP
Retailer 2£1,337 GBP
Retailer 18£1,356 GBP
Retailer 6£2,252 GBP
Brilliant Earth£3,304 GBP

33 data points across 22 retailers

34 retailers£308 GBP to £3,304 GBP

Retailer 1
-
£253 GBP
Price last confirmed 25 days ago
Retailer 2
-
£268 GBP
View
Price last confirmed 37 days ago
Retailer 3
-
£294 GBP
View
Price last confirmed 29 days ago
A
Retailer 4
-
£308 GBP
View
Final sale: no returns
Retailer 5
-
£311 GBP
View
Price last confirmed 43 days ago
Retailer 6
-
£314 GBP
View
Price last confirmed 25 days ago
Retailer 7
-
£314 GBP
View
Price last confirmed 33 days ago
A
Retailer 8
-
£314 GBP
View
Retailer 9
-
£328 GBP
View
Price last confirmed 36 days ago
A
Retailer 10
-
£455 GBP
View
A
Retailer 11
-
£470 GBP
View
A
Retailer 12
-
£490 GBP
View
A
Retailer 13
-
£504 GBP
View
A
Retailer 14
-
£561 GBP
View
A
Retailer 15
-
£573 GBP
View
A
Retailer 16
-
£598 GBP
View
A
Retailer 17
-
£619 GBP
View
A
Retailer 18
-
£639 GBP
View
B+
Retailer 19
-
£798 GBP
View
B+
Retailer 20
-
£804 GBP
View
B+
Retailer 21
-
£921 GBP
View
Retailer 22
-
£1,115 GBP
View
Price last confirmed 26 days ago
Retailer 23
-
£1,179 GBP
View
Price last confirmed 35 days ago
B+
Retailer 24
-
£1,187 GBP
View
B+
Retailer 25
-
£1,215 GBP
View
B+
Retailer 26
-
£1,230 GBP
View
B+
Retailer 27
-
£1,302 GBP
View
B
Retailer 28
-
£1,313 GBP
View
B+
Retailer 29
-
£1,337 GBP
View
B+
Retailer 30
-
£1,356 GBP
View
B
Retailer 31
-
£1,704 GBP
View
B
Retailer 32
-
£2,074 GBP
View
B
Retailer 33
-
£2,252 GBP
View
Most Expensive
B
Brilliant Earth
17149350A · Nov 3
£3,304 GBP
$4,460 USD
View
33 more retailers have this diamond
Prices start from £308 GBPSave up to £2,996 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
£308 GBP