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Princess|Lab Grown|IGI

1.75ct G SI1 Princess Lab Grown Diamond

GD • G/SI1 • IGI LG582390700

Shape and cutting style on the report: Princess cut

Certificate IGI LG582390700

Diamond specifications and retailer prices

From £289 GBP
$387 USD
As of October 30, 2026
Save £2,271 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,560 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown princess diamond

This 1.75ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG582390700 or 582390700. Listed at 18 retailers as of October 30, 2026, with prices from £289 to £2,560, a £2,271 spread on the same certified stone. Do Amore Diamonds lists it at £2,560. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.75
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582390700
Dimensions6.78 × 6.65 × 4.50 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.78 mm6.65 mm1.75 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582390700
Side View
Table 68.0%Crown 39.9°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 67.7%

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: Oct 30
Current: £2,560 GBP|Low: £163 GBP|High: £2,560 GBP|Avg: £722 GBP
Do Amore Diamonds
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
October 30, 2026
Retailer 10£289 GBP
Retailer 13£358 GBP
Retailer 14£358 GBP
Retailer 11£388 GBP
Retailer 2£507 GBP
Retailer 3£569 GBP
Retailer 7£650 GBP
Retailer 5£679 GBP
Retailer 12£728 GBP
Retailer 6£919 GBP
Retailer 9£1,004 GBP
Retailer 4£1,270 GBP
Retailer 8£1,459 GBP
Do Amore Diamonds£2,560 GBP

33 data points across 14 retailers

18 retailers£289 GBP to £2,560 GBP

Retailer 1
-
£163 GBP
$219 USD
Price last confirmed 39 days ago
Retailer 2
-
£190 GBP
$254 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£201 GBP
$269 USD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
£289 GBP
$387 USD
View
B+
Retailer 5
-
£358 GBP
$480 USD
View
B+
Retailer 6
-
£358 GBP
$480 USD
View
B+
Retailer 7
-
£388 GBP
$520 USD
View
B+
Retailer 8
-
£470 GBP
$630 USD
View
B
Retailer 9
-
£507 GBP
View
B
Retailer 10
-
£569 GBP
$762 USD
View
B
Retailer 11
-
£650 GBP
View
B
Retailer 12
-
£679 GBP
$910 USD
View
B
Retailer 13
-
£728 GBP
$975 USD
View
B
Retailer 14
-
£919 GBP
$1,232 USD
View
C
Retailer 15
-
£1,004 GBP
$1,345 USD
View
C
Retailer 16
-
£1,270 GBP
$1,702 USD
View
C
Retailer 17
-
£1,459 GBP
View
Most Expensive
C
Do Amore Diamonds
27-061042D4F · Oct 31
£2,560 GBP
$3,430 USD
View
17 more retailers have this diamond
Prices start from £289 GBPSave up to £2,271 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 Princess
£289 GBP