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Princess|Lab Grown|IGI

3.73ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG546218942

Shape and cutting style on the report: Princess cut

Certificate IGI LG546218942

Diamond specifications and retailer prices

From £7,854 GBP
$10,524 USD
As of October 30, 2026
Save £6,534 GBP (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £21,157 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.73ct lab-grown princess diamond

This 3.73ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG546218942 or 546218942. Listed at 13 retailers as of October 29, 2026, with a 83% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.73
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546218942
Dimensions8.45 × 8.21 × 5.75 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.45 mm8.21 mm3.73 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546218942
Side View
Table 72.5%Crown 45°Girdle: ThickPavilion 36.6°Culet: NoneDepth 70.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £21,157 GBP|Low: £6,283 GBP|High: £22,877 GBP|Avg: £11,497 GBP|-7.5%
Cape 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 29, 2026
Retailer 9£7,854 GBP
Retailer 13£8,169 GBP
Retailer 4£8,387 GBP
Retailer 12£8,539 GBP
Retailer 14£8,796 GBP
Retailer 10£9,111 GBP
Retailer 5£9,129 GBP
Retailer 11£9,722 GBP
Retailer 8£9,818 GBP
Retailer 6£11,738 GBP
Retailer 3£13,057 GBP
Retailer 2£14,388 GBP
Retailer 7£21,020 GBP
Cape Diamonds£21,157 GBP

20 data points across 14 retailers

13 retailers£7,854 GBP to £14,388 GBP

B
Cheapest Retailer
-
£7,854 GBP
$10,524 USD
B
Retailer 2
-
£8,169 GBP
$10,945 USD
View
B
Retailer 3
-
£8,387 GBP
$11,237 USD
View
B
Retailer 4
-
£8,539 GBP
$11,441 USD
View
B
Retailer 5
-
£8,796 GBP
$11,786 USD
View
Final sale: no returns
B
Retailer 6
-
£9,111 GBP
$12,208 USD
View
Retailer 7
-
£9,111 GBP
$12,208 USD
View
Price last confirmed 14 days ago
B
Retailer 8
-
£9,722 GBP
$13,027 USD
View
B
Retailer 9
-
£9,818 GBP
$13,155 USD
View
B
Retailer 10
-
£13,057 GBP
View
B
Retailer 11
-
£14,388 GBP
View
Retailer 12
-
£21,020 GBP
A$43,329 AUD
View
Price under review
Most Expensive
Cape Diamonds
cert_546218942 · Oct 29
£21,157 GBP
ZAR 457,955 ZAR
View
Price under review
12 more retailers have this diamond
Prices start from £7,854 GBPSave up to £6,534 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
3.73ct Princess
£7,854 GBP