Princess|Lab Grown|IGI

1.03ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG839670503

Shape and cutting style on the report: Princess cut

Certificate IGI LG839670503

Diamond specifications and retailer prices

From £125 GBP
$168 USD
As of October 27, 2026
Save £603 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £815 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839670503 or 839670503. Listed at 21 retailers as of October 26, 2026, with a 481% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle43°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670503
Dimensions5.57 × 5.55 × 3.86 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.57 mm5.55 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839670503
Side View
Table 74.0%Crown 43°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 69.5%

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 27
Current: £423 GBP|Low: £120 GBP|High: £815 GBP|Avg: £363 GBP|-0.8%
Retailer 1
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Retailer 21
Reve Diamonds
November 2, 2026
Retailer 4£125 GBP
Retailer 13£140 GBP
Retailer 3£146 GBP
Retailer 6£155 GBP
Retailer 2£182 GBP
Retailer 17£187 GBP
Retailer 8£247 GBP
Retailer 16£260 GBP
Retailer 21£263 GBP
Retailer 18£275 GBP
Retailer 7£278 GBP
Retailer 19£334 GBP
Retailer 10£336 GBP
Retailer 11£377 GBP
Retailer 15£410 GBP
Retailer 1£423 GBP
Retailer 5£500 GBP
Retailer 12£508 GBP
Retailer 14£510 GBP
Retailer 9£541 GBP
Retailer 20£728 GBP
Reve Diamonds£815 GBP

27 data points across 22 retailers

21 retailers£125 GBP to £728 GBP

A
Cheapest Retailer
-
£125 GBP
$168 USD
Retailer 2
-
£146 GBP
$195 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£155 GBP
$208 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£182 GBP
HK$1,900 HKD
View
A
Retailer 5
-
£187 GBP
View
A
Retailer 6
-
£247 GBP
$331 USD
View
A
Retailer 7
-
£260 GBP
€332 EUR
View
Retailer 8
-
£263 GBP
ZAR 5,689 ZAR
View
Price last confirmed 10 days ago
A
Retailer 9
-
£275 GBP
View
Retailer 10
-
£278 GBP
$373 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£334 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
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£336 GBP
$450 USD
View
Retailer 13
-
£377 GBP
$505 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£410 GBP
$549 USD
View
B+
Retailer 15
-
£423 GBP
SGD 766 SGD
View
Retailer 16
-
£500 GBP
$670 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£508 GBP
$680 USD
View
B
Retailer 18
-
£510 GBP
$684 USD
View
B
Retailer 19
-
£541 GBP
$724 USD
View
B
Retailer 20
-
£728 GBP
View
Most Expensive
Reve Diamonds
B254F6BA9 · Oct 25
£815 GBP
$1,091 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from £125 GBPSave up to £603 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
1.03ct Princess
£125 GBP