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Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG799642414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642414

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of November 3, 2026
Save £626 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £780 GBP at Brilliance · As of November 3, 2026
View at Brilliance

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 LG799642414 or 799642414. Listed at 20 retailers as of November 3, 2026, with prices from £154 to £780, a £626 spread on the same certified stone. Brilliance lists it at £780. 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°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642414
Dimensions7.43 × 7.40 × 4.57 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
7.43 mm7.40 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642414
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: £780 GBP|Low: £154 GBP|High: £791 GBP|Avg: £417 GBP|-0.6%
Brilliance
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
Retailer 18
November 3, 2026
Retailer 7£154 GBP
Retailer 4£172 GBP
Retailer 3£179 GBP
Retailer 16£192 GBP
Retailer 8£192 GBP
Retailer 13£298 GBP
Retailer 14£331 GBP
Retailer 5£331 GBP
Retailer 2£352 GBP
Retailer 9£356 GBP
Retailer 18£439 GBP
Retailer 12£446 GBP
Retailer 11£505 GBP
Retailer 17£615 GBP
Retailer 10£624 GBP
Retailer 6£655 GBP
Retailer 15£767 GBP
Brilliance£780 GBP

25 data points across 18 retailers

20 retailers£154 GBP to £780 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£179 GBP
$240 USD
View
A
Retailer 4
-
£192 GBP
$257 USD
View
Retailer 5
-
£192 GBP
$258 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£298 GBP
View
A
Retailer 7
-
£331 GBP
ZAR 7,161 ZAR
View
B+
Retailer 8
-
£331 GBP
$444 USD
View
A
Retailer 9
-
£352 GBP
View
A
Retailer 10
-
£356 GBP
$477 USD
View
A
Retailer 11
-
£439 GBP
$589 USD
View
B+
Retailer 12
-
£446 GBP
A$920 AUD
View
B+
Retailer 13
-
£505 GBP
$677 USD
View
Retailer 14
-
£597 GBP
$800 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
£615 GBP
$825 USD
View
B+
Retailer 16
-
£624 GBP
SGD 1,131 SGD
View
B+
Retailer 17
-
£655 GBP
$879 USD
View
Retailer 18
-
£761 GBP
$1,020 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
£767 GBP
View
Most Expensive
B
Brilliance
D43191220 · Nov 3
£780 GBP
$1,046 USD
View
19 more retailers have this diamond
Prices start from £154 GBPSave up to £626 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
£154 GBP