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Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG783655183

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783655183

Diamond specifications and retailer prices

From £177 GBP
$237 USD
As of November 3, 2026
Save £1,523 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,700 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct 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 LG783655183 or 783655183. Listed at 21 retailers as of November 2, 2026, with prices from £177 to £1,700, a £1,523 spread on the same certified stone. Do Amore Diamonds lists it at £1,700. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655183
Dimensions7.40 × 7.42 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.42 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783655183
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: £567 GBP|Low: £170 GBP|High: £1,253 GBP|Avg: £486 GBP|+0.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 17£177 GBP
Retailer 16£198 GBP
Retailer 6£205 GBP
Retailer 3£219 GBP
Retailer 9£219 GBP
Retailer 8£294 GBP
Retailer 11£378 GBP
Retailer 5£408 GBP
Retailer 12£418 GBP
Retailer 10£462 GBP
Retailer 1£567 GBP
Retailer 2£593 GBP
Retailer 15£708 GBP
Retailer 7£778 GBP
Retailer 4£893 GBP
Retailer 13£971 GBP
Retailer 14£1,163 GBP

42 data points across 17 retailers

21 retailers£177 GBP to £1,700 GBP

A
Cheapest Retailer
-
£177 GBP
$237 USD
A
Retailer 2
-
£198 GBP
$265 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$275 USD
View
A
Retailer 4
-
£219 GBP
$294 USD
View
Retailer 5
-
£219 GBP
$294 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£281 GBP
$377 USD
View
B+
Retailer 7
-
£294 GBP
$394 USD
View
A
Retailer 8
-
£378 GBP
View
A
Retailer 9
-
£408 GBP
$547 USD
View
A
Retailer 10
-
£418 GBP
ZAR 9,050 ZAR
View
B+
Retailer 11
-
£462 GBP
View
B+
Retailer 12
-
£567 GBP
A$1,170 AUD
View
Retailer 13
-
£593 GBP
$795 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
£708 GBP
$950 USD
View
B
Retailer 15
-
£778 GBP
$1,044 USD
View
B
Retailer 16
-
£893 GBP
$1,197 USD
View
B
Retailer 17
-
£905 GBP
$1,213 USD
View
B
Retailer 18
-
£971 GBP
View
B
Retailer 19
-
£978 GBP
$1,312 USD
View
B
Retailer 20
-
£1,163 GBP
$1,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-A8BE2C1DD · Nov 2
£1,700 GBP
$2,280 USD
View
20 more retailers have this diamond
Prices start from £177 GBPSave up to £1,523 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
1.55ct Round
£177 GBP