CaratHunter
Plans
Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG600340251

Shape and cutting style on the report: Round brilliant

Certificate IGI LG600340251

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of November 3, 2026
Save £758 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £915 GBP at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG600340251 or 600340251. Listed at 19 retailers as of November 1, 2026, with prices from £157 to £915, a £758 spread on the same certified stone. Reve Diamonds lists it at £915. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600340251
Dimensions7.41 × 7.38 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.41 mm7.38 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600340251
Side View
Table 57.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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 3
Current: £359 GBP|Low: £157 GBP|High: £955 GBP|Avg: £464 GBP|-16.7%
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
Reve Diamonds
November 3, 2026
Retailer 7£157 GBP
Retailer 5£175 GBP
Retailer 6£182 GBP
Retailer 3£195 GBP
Retailer 11£303 GBP
Retailer 15£334 GBP
Retailer 12£336 GBP
Retailer 2£356 GBP
Retailer 1£359 GBP
Retailer 9£369 GBP
Retailer 14£442 GBP
Retailer 10£454 GBP
Retailer 17£626 GBP
Retailer 16£628 GBP
Retailer 8£666 GBP
Retailer 13£780 GBP
Retailer 4£793 GBP
Reve Diamonds£915 GBP

36 data points across 18 retailers

19 retailers£157 GBP to £915 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
A
Retailer 2
-
£175 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£182 GBP
$244 USD
View
A
Retailer 4
-
£195 GBP
$261 USD
View
Retailer 5
-
£236 GBP
$316 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£303 GBP
View
B+
Retailer 7
-
£334 GBP
$448 USD
View
A
Retailer 8
-
£336 GBP
ZAR 7,283 ZAR
View
A
Retailer 9
-
£356 GBP
$478 USD
View
A
Retailer 10
-
£359 GBP
View
Retailer 11
-
£369 GBP
$495 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£442 GBP
$593 USD
View
B+
Retailer 13
-
£454 GBP
A$936 AUD
View
B+
Retailer 14
-
£626 GBP
$839 USD
View
B+
Retailer 15
-
£628 GBP
$842 USD
View
B
Retailer 16
-
£666 GBP
$893 USD
View
B
Retailer 17
-
£780 GBP
View
B
Retailer 18
-
£793 GBP
$1,063 USD
View
Most Expensive
B
Reve Diamonds
C5D502549 · Nov 1
£915 GBP
$1,227 USD
View
18 more retailers have this diamond
Prices start from £157 GBPSave up to £758 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
£157 GBP