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Round|Lab Grown|IGI

1.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG835670937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835670937

Diamond specifications and retailer prices

From £327 GBP
As of November 3, 2026
Save £2,984 GBP (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £3,311 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 LG835670937 or 835670937. Listed at 27 retailers as of November 3, 2026, with prices from £327 to £3,311, a £2,984 spread on the same certified stone. Brilliant Earth lists it at £3,311. 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 angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835670937
Dimensions7.42 × 7.47 × 4.51 mm
L/W Ratio1.01
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
7.42 mm7.47 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835670937
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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: £3,311 GBP|Low: £261 GBP|High: £3,311 GBP|Avg: £898 GBP|+0.2%
Brilliant Earth
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November 4, 2026
Retailer 20£261 GBP
Retailer 19£316 GBP
Retailer 4£327 GBP
Retailer 18£338 GBP
Retailer 22£338 GBP
Retailer 7£433 GBP
Retailer 24£470 GBP
Retailer 25£510 GBP
Retailer 9£535 GBP
Retailer 12£581 GBP
Retailer 6£607 GBP
Retailer 5£610 GBP
Retailer 10£639 GBP
Retailer 13£650 GBP
Retailer 28£688 GBP
Retailer 16£877 GBP
Retailer 3£929 GBP
Retailer 15£931 GBP
Retailer 2£1,029 GBP
Retailer 23£1,085 GBP
Retailer 30£1,105 GBP
Retailer 14£1,242 GBP
Retailer 17£1,292 GBP
Retailer 11£1,335 GBP
Retailer 26£1,394 GBP
Retailer 21£1,444 GBP
Retailer 29£1,465 GBP
Retailer 8£1,534 GBP
Retailer 27£2,215 GBP
Brilliant Earth£3,311 GBP

17 data points across 30 retailers

27 retailers£327 GBP to £3,311 GBP

Retailer 1
-
£261 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£327 GBP
View
Final sale: no returns
Retailer 3
-
£338 GBP
View
Price last confirmed 33 days ago
A
Retailer 4
-
£433 GBP
View
A
Retailer 5
-
£470 GBP
View
A
Retailer 6
-
£510 GBP
View
A
Retailer 7
-
£535 GBP
View
A
Retailer 8
-
£546 GBP
View
A
Retailer 9
-
£581 GBP
View
A
Retailer 10
-
£610 GBP
View
A
Retailer 11
-
£639 GBP
View
A
Retailer 12
-
£650 GBP
View
A
Retailer 13
-
£688 GBP
View
B+
Retailer 14
-
£877 GBP
View
B+
Retailer 15
-
£929 GBP
View
B+
Retailer 16
-
£931 GBP
View
B+
Retailer 17
-
£1,029 GBP
View
Retailer 18
-
£1,085 GBP
View
Price last confirmed 35 days ago
B+
Retailer 19
-
£1,105 GBP
View
B+
Retailer 20
-
£1,242 GBP
View
Retailer 21
-
£1,292 GBP
View
Price last confirmed 33 days ago
B
Retailer 22
-
£1,335 GBP
View
B+
Retailer 23
-
£1,394 GBP
View
B
Retailer 24
-
£1,465 GBP
View
B
Retailer 25
-
£1,534 GBP
View
B
Retailer 26
-
£2,215 GBP
View
Most Expensive
B
Brilliant Earth
21654597A · Nov 3
£3,311 GBP
$4,470 USD
View
26 more retailers have this diamond
Prices start from £327 GBPSave up to £2,984 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
£327 GBP