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Round|Lab Grown|IGI

1.77ct I VS2 Round Lab Grown Diamond

EX • I/VS2 • IGI LG555274063

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555274063

Diamond specifications and retailer prices

From £322 GBP
$429 USD
As of October 29, 2026
Save £1,152 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,474 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.77ct lab-grown round diamond

This 1.77ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG555274063 or 555274063. Listed at 13 retailers as of October 29, 2026, with prices from £322 to £1,474, a £1,152 spread on the same certified stone. MOH London lists it at £1,474. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555274063
Dimensions7.67 × 7.61 × 4.86 mm
L/W Ratio1.01
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
7.67 mm7.61 mm1.77 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555274063
Side View
Table 57.0%Crown 35.8°GirdlePavilion 41.3°Culet: NoneDepth 63.5%

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: Oct 29
Current: £1,474 GBP|Low: £258 GBP|High: £1,484 GBP|Avg: £819 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6£322 GBP
Retailer 9£360 GBP
Retailer 7£399 GBP
Retailer 10£587 GBP
Retailer 5£604 GBP
Retailer 8£629 GBP
Retailer 11£772 GBP
Retailer 4£836 GBP
Retailer 12£1,070 GBP
Retailer 2£1,120 GBP
Retailer 3£1,308 GBP
MOH London£1,474 GBP

16 data points across 12 retailers

13 retailers£322 GBP to £1,474 GBP

A
Cheapest Retailer
-
£322 GBP
$429 USD
A
Retailer 2
-
£360 GBP
$480 USD
View
Final sale: no returns
A
Retailer 3
-
£360 GBP
$480 USD
View
A
Retailer 4
-
£399 GBP
$532 USD
View
A
Retailer 5
-
£399 GBP
$532 USD
View
B+
Retailer 6
-
£587 GBP
$782 USD
View
B+
Retailer 7
-
£604 GBP
$805 USD
View
B+
Retailer 8
-
£629 GBP
$837 USD
View
B
Retailer 9
-
£772 GBP
$1,028 USD
View
B
Retailer 10
-
£1,120 GBP
$1,491 USD
View
B
Retailer 11
-
£1,283 GBP
$1,709 USD
View
Retailer 12
-
£1,308 GBP
$1,742 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG555274063 · Oct 29
£1,474 GBP
View
12 more retailers have this diamond
Prices start from £322 GBPSave up to £1,152 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
1.77ct Round
£322 GBP