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1.75ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG728521318

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728521318

Diamond specifications and retailer prices

From £466 GBP
$625 USD
As of November 2, 2026
Save £714 GBP (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,180 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.75ct lab-grown round diamond

This 1.75ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG728521318 or 728521318. Listed at 7 retailers as of November 2, 2026, with prices from £466 to £1,180, a £714 spread on the same certified stone. MOH London lists it at £1,180. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.75
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728521318
Dimensions7.76 × 7.71 × 4.83 mm
L/W Ratio1.01
Culet sizePointed
Top View
7.76 mm7.71 mm1.75 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728521318
Side View
Table 54.0%Crown 33.8°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,180 GBP|Low: £460 GBP|High: £1,194 GBP|Avg: £630 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6£466 GBP
Retailer 4£478 GBP
Retailer 5£493 GBP
Retailer 2£524 GBP
Retailer 3£659 GBP
MOH London£1,180 GBP

39 data points across 6 retailers

7 retailers£466 GBP to £1,180 GBP

Retailer 1
-
£362 GBP
HK$3,800 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
£466 GBP
$625 USD
View
B+
Retailer 3
-
£478 GBP
$642 USD
View
B+
Retailer 4
-
£493 GBP
$662 USD
View
B+
Retailer 5
-
£524 GBP
View
B
Retailer 6
-
£659 GBP
$885 USD
View
Most Expensive
B
MOH London
LG728521318 · Nov 3
£1,180 GBP
View
6 more retailers have this diamond
Prices start from £466 GBPSave up to £714 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.

B+
1.75ct Round
£466 GBP