Princess|Lab Grown|IGI

1.20ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG692583187

Shape and cutting style on the report: Princess cut

Certificate IGI LG692583187

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of October 30, 2026
Save £1,415 GBP (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,562 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG692583187 or 692583187. Listed at 14 retailers as of October 27, 2026, with prices from £147 to £1,562, a £1,415 spread on the same certified stone. Queensmith lists it at £1,562. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692583187
Dimensions5.70 × 5.61 × 4.16 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.70 mm5.61 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692583187
Side View
Table 73.0%Crown 41°Girdle: MediumPavilion 39.6°Culet: NoneDepth 74.2%

Caratlytics Score

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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: Oct 30
Current: £334 GBP|Low: £147 GBP|High: £871 GBP|Avg: £405 GBP|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2£147 GBP
Retailer 11£164 GBP
Retailer 10£171 GBP
Retailer 6£183 GBP
Retailer 3£247 GBP
Retailer 9£313 GBP
Retailer 1£334 GBP
Retailer 4£342 GBP
Retailer 8£586 GBP
Retailer 5£588 GBP
Retailer 12£626 GBP
Retailer 7£857 GBP

40 data points across 12 retailers

14 retailers£147 GBP to £1,562 GBP

A
Cheapest Retailer
-
£147 GBP
$197 USD
A
Retailer 2
-
£164 GBP
$220 USD
View
Final sale: no returns
A
Retailer 3
-
£171 GBP
$229 USD
View
A
Retailer 4
-
£183 GBP
$245 USD
View
A
Retailer 5
-
£184 GBP
$247 USD
View
B+
Retailer 6
-
£247 GBP
$332 USD
View
A
Retailer 7
-
£313 GBP
ZAR 6,788 ZAR
View
A
Retailer 8
-
£334 GBP
View
A
Retailer 9
-
£342 GBP
$459 USD
View
B+
Retailer 10
-
£586 GBP
$787 USD
View
B+
Retailer 11
-
£588 GBP
$789 USD
View
B
Retailer 12
-
£626 GBP
$840 USD
View
B
Retailer 13
-
£857 GBP
View
Most Expensive
B
Queensmith
LG692583187 · Oct 27
£1,562 GBP
View
13 more retailers have this diamond
Prices start from £147 GBPSave up to £1,415 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
1.20ct Princess
£147 GBP