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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG696590949

Shape and cutting style on the report: Round brilliant

Certificate IGI LG696590949

Diamond specifications and retailer prices

From £166 GBP
As of November 5, 2026
Save £1,431 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,597 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696590949 or 696590949. Listed at 19 retailers as of November 4, 2026, with prices from £166 to £1,597, a £1,431 spread on the same certified stone. Do Amore Diamonds lists it at £1,597. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696590949
Dimensions7.46 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.42 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696590949
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
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 5
Current: £426 GBP|Low: £160 GBP|High: £1,048 GBP|Avg: £469 GBP|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13£166 GBP
Retailer 4£185 GBP
Retailer 5£206 GBP
Retailer 10£206 GBP
Retailer 3£262 GBP
Retailer 11£351 GBP
Retailer 6£352 GBP
Retailer 1£426 GBP
Retailer 2£450 GBP
Retailer 9£665 GBP
Retailer 7£884 GBP
Retailer 8£909 GBP
Retailer 12£942 GBP

40 data points across 13 retailers

19 retailers£166 GBP to £1,597 GBP

Retailer 1
-
£166 GBP
Price last confirmed 45 days ago
A
Retailer 2
-
£166 GBP
View
A
Retailer 3
-
£185 GBP
View
Final sale: no returns
Retailer 4
-
£204 GBP
View
Price last confirmed 45 days ago
Retailer 5
-
£206 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£206 GBP
View
A
Retailer 7
-
£262 GBP
View
A
Retailer 8
-
£351 GBP
View
A
Retailer 9
-
£352 GBP
View
B+
Retailer 10
-
£426 GBP
View
B+
Retailer 11
-
£450 GBP
View
B
Retailer 12
-
£665 GBP
View
B
Retailer 13
-
£731 GBP
View
Retailer 14
-
£731 GBP
View
Price last confirmed 46 days ago
B
Retailer 15
-
£857 GBP
View
B
Retailer 16
-
£884 GBP
View
B
Retailer 17
-
£909 GBP
View
B
Retailer 18
-
£942 GBP
View
Most Expensive
B
Do Amore Diamonds
27-54517F6D3 · Nov 4
£1,597 GBP
$2,150 USD
View
18 more retailers have this diamond
Prices start from £166 GBPSave up to £1,431 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
£166 GBP