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Round|Lab Grown|IGI

1.53ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818681903

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818681903

Diamond specifications and retailer prices

From £154 GBP
$206 USD
As of November 1, 2026
Save £737 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £890 GBP at MOH London · As of November 2, 2026
View at MOH London

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818681903 or 818681903. Listed at 20 retailers as of November 1, 2026, with prices from £154 to £890, a £737 spread on the same certified stone. MOH London lists it at £890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681903
Dimensions7.44 × 7.42 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.42 mm1.53 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681903
Side View
Table 61.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

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 1
Current: £890 GBP|Low: £154 GBP|High: £895 GBP|Avg: £422 GBP|+14.4%
MOH London
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
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Retailer 19
November 3, 2026
Retailer 9£154 GBP
Retailer 6£172 GBP
Retailer 3£178 GBP
Retailer 5£190 GBP
Retailer 18£190 GBP
Retailer 14£297 GBP
Retailer 15£329 GBP
Retailer 17£330 GBP
Retailer 10£347 GBP
Retailer 2£350 GBP
Retailer 16£438 GBP
Retailer 13£443 GBP
Retailer 12£504 GBP
Retailer 19£612 GBP
Retailer 7£620 GBP
Retailer 4£652 GBP
Retailer 11£738 GBP
Retailer 8£775 GBP
MOH London£890 GBP

28 data points across 19 retailers

20 retailers£154 GBP to £890 GBP

A
Cheapest Retailer
-
£154 GBP
$206 USD
A
Retailer 2
-
£172 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$239 USD
View
A
Retailer 4
-
£190 GBP
$255 USD
View
Retailer 5
-
£190 GBP
$255 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£297 GBP
View
A
Retailer 7
-
£329 GBP
ZAR 7,120 ZAR
View
B+
Retailer 8
-
£330 GBP
$442 USD
View
A
Retailer 9
-
£347 GBP
$466 USD
View
A
Retailer 10
-
£350 GBP
View
B+
Retailer 11
-
£438 GBP
$587 USD
View
B+
Retailer 12
-
£443 GBP
A$915 AUD
View
B+
Retailer 13
-
£504 GBP
$676 USD
View
Retailer 14
-
£597 GBP
$800 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
£612 GBP
$821 USD
View
B+
Retailer 16
-
£620 GBP
SGD 1,123 SGD
View
B+
Retailer 17
-
£652 GBP
$874 USD
View
Retailer 18
-
£738 GBP
$990 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
£775 GBP
$1,039 USD
View
Most Expensive
B
MOH London
LG818681903 · Nov 2
£890 GBP
View
19 more retailers have this diamond
Prices start from £154 GBPSave up to £737 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
£154 GBP