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Princess|Lab Grown|IGI

1.78ct G VVS2 Princess Lab Grown Diamond

ID • G/VVS2 • IGI LG830683754

Shape and cutting style on the report: Princess cut

Certificate IGI LG830683754

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of October 30, 2026
Save £678 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £845 GBP at Brilliance · As of October 30, 2026
View at Brilliance

About this 1.78ct lab-grown princess diamond

This 1.78ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830683754 or 830683754. Listed at 14 retailers as of October 30, 2026, with prices from £167 to £845, a £678 spread on the same certified stone. Brilliance lists it at £845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830683754
Dimensions6.77 × 6.22 × 4.61 mm
L/W Ratio1.09
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.77 mm6.22 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830683754
Side View
Table 69.0%Crown 49.5°Girdle: MediumPavilion 36.1°Culet: NoneDepth 74.1%

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: £845 GBP|Low: £160 GBP|High: £892 GBP|Avg: £437 GBP|-5.3%
Brilliance
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 11£167 GBP
Retailer 4£194 GBP
Retailer 3£207 GBP
Retailer 12£207 GBP
Retailer 2£237 GBP
Retailer 13£353 GBP
Retailer 8£356 GBP
Retailer 5£460 GBP
Retailer 9£485 GBP
Retailer 6£499 GBP
Retailer 14£667 GBP
Retailer 10£669 GBP
Retailer 7£836 GBP
Brilliance£845 GBP

40 data points across 14 retailers

14 retailers£167 GBP to £845 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£194 GBP
$260 USD
View
Retailer 3
-
£207 GBP
$278 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£207 GBP
$278 USD
View
A
Retailer 5
-
£237 GBP
View
B+
Retailer 6
-
£353 GBP
$473 USD
View
A
Retailer 7
-
£356 GBP
ZAR 7,715 ZAR
View
A
Retailer 8
-
£460 GBP
$617 USD
View
A
Retailer 9
-
£485 GBP
A$999 AUD
View
A
Retailer 10
-
£499 GBP
$668 USD
View
B+
Retailer 11
-
£667 GBP
$894 USD
View
B+
Retailer 12
-
£669 GBP
$897 USD
View
B+
Retailer 13
-
£836 GBP
View
Most Expensive
B
Brilliance
D44730977 · Oct 30
£845 GBP
$1,132 USD
View
13 more retailers have this diamond
Prices start from £167 GBPSave up to £678 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
1.78ct Princess
£167 GBP