Round|Lab Grown|IGI

0.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG756551879

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756551879

Diamond specifications and retailer prices

From £66 GBP
$88 USD
As of October 29, 2026
Save £559 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £624 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.53ct lab-grown round diamond

This 0.53ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG756551879 or 756551879. Listed at 18 retailers as of October 29, 2026, with prices from £66 to £624, a £559 spread on the same certified stone. Reve Diamonds lists it at £624. 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

0.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756551879
Dimensions5.23 × 5.21 × 3.21 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
5.23 mm5.21 mm0.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756551879
Side View
Table 56.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

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: Oct 29
Current: £150 GBP|Low: £65 GBP|High: £630 GBP|Avg: £224 GBP|+7.3%
Retailer 1
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Retailer 11
Retailer 12
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Retailer 16
Reve Diamonds
October 30, 2026
Retailer 15£66 GBP
Retailer 3£73 GBP
Retailer 11£76 GBP
Retailer 5£87 GBP
Retailer 13£87 GBP
Retailer 12£119 GBP
Retailer 1£150 GBP
Retailer 9£157 GBP
Retailer 6£172 GBP
Retailer 14£176 GBP
Retailer 8£194 GBP
Retailer 4£235 GBP
Retailer 16£262 GBP
Retailer 7£306 GBP
Retailer 2£312 GBP
Retailer 10£600 GBP
Reve Diamonds£624 GBP

44 data points across 17 retailers

18 retailers£66 GBP to £624 GBP

A
Cheapest Retailer
-
£66 GBP
$88 USD
A
Retailer 2
-
£73 GBP
$98 USD
View
Final sale: no returns
A
Retailer 3
-
£76 GBP
$102 USD
View
A
Retailer 4
-
£87 GBP
$116 USD
View
A
Retailer 5
-
£87 GBP
$116 USD
View
Retailer 6
-
£119 GBP
$160 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
£150 GBP
View
A
Retailer 8
-
£157 GBP
€200 EUR
View
A
Retailer 9
-
£172 GBP
$231 USD
View
A
Retailer 10
-
£176 GBP
$236 USD
View
Retailer 11
-
£194 GBP
$260 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£235 GBP
SGD 425 SGD
View
B+
Retailer 13
-
£262 GBP
$351 USD
View
Retailer 14
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£265 GBP
$355 USD
View
Price last confirmed 36 days ago
B+
Retailer 15
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£306 GBP
$411 USD
View
B+
Retailer 16
-
£312 GBP
$418 USD
View
B
Retailer 17
-
£600 GBP
View
Most Expensive
B
Reve Diamonds
113356B38 · Oct 30
£624 GBP
$836 USD
View
17 more retailers have this diamond
Prices start from £66 GBPSave up to £559 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
0.53ct Round
£66 GBP