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Radiant|Lab Grown|IGI

1.75ct E VS1 Radiant Lab Grown Diamond

GD • E/VS1 • IGI LG621491943

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG621491943

Diamond specifications and retailer prices

From £190 GBP
$253 USD
As of October 27, 2026
Save £1,500 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,690 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown radiant diamond

This 1.75ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG621491943 or 621491943. Listed at 20 retailers as of October 27, 2026, with prices from £190 to £1,690, a £1,500 spread on the same certified stone. Do Amore Diamonds lists it at £1,690. 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
E
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621491943
Dimensions8.45 × 5.95 × 4.05 mm
L/W Ratio1.42
Culet sizePointed
Top View
8.45 mm5.95 mm1.75 ctE / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621491943
Side View
Table 65.0%Crown 41.8°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.1%

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 27
Current: £457 GBP|Low: £213 GBP|High: £1,054 GBP|Avg: £626 GBP|+2.9%
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
October 29, 2026
Retailer 3£213 GBP
Retailer 10£236 GBP
Retailer 7£357 GBP
Retailer 13£393 GBP
Retailer 1£457 GBP
Retailer 2£496 GBP
Retailer 6£604 GBP
Retailer 9£723 GBP
Retailer 12£835 GBP
Retailer 5£897 GBP
Retailer 11£926 GBP
Retailer 4£1,007 GBP
Retailer 8£1,042 GBP

42 data points across 13 retailers

20 retailers£190 GBP to £1,690 GBP

A
Cheapest Retailer
-
£190 GBP
$253 USD
A
Retailer 2
-
£213 GBP
$283 USD
View
Final sale: no returns
A
Retailer 3
-
£220 GBP
$293 USD
View
A
Retailer 4
-
£236 GBP
$314 USD
View
A
Retailer 5
-
£236 GBP
$314 USD
View
A
Retailer 6
-
£357 GBP
$475 USD
View
B+
Retailer 7
-
£389 GBP
$518 USD
View
B+
Retailer 8
-
£393 GBP
$524 USD
View
B+
Retailer 9
-
£457 GBP
View
B+
Retailer 10
-
£496 GBP
$661 USD
View
B+
Retailer 11
-
£604 GBP
A$1,238 AUD
View
B
Retailer 12
-
£723 GBP
$963 USD
View
B
Retailer 13
-
£774 GBP
View
B
Retailer 14
-
£835 GBP
$1,112 USD
View
B
Retailer 15
-
£926 GBP
$1,233 USD
View
B
Retailer 16
-
£961 GBP
$1,279 USD
View
B
Retailer 17
-
£1,007 GBP
View
B
Retailer 18
-
£1,021 GBP
$1,360 USD
View
B
Retailer 19
-
£1,042 GBP
View
Most Expensive
C
Do Amore Diamonds
27-9786C2302 · Oct 29
£1,690 GBP
$2,250 USD
View
19 more retailers have this diamond
Prices start from £190 GBPSave up to £1,500 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
1.75ct Radiant
£190 GBP