Princess|Lab Grown|IGI

1.28ct G VVS2 Princess Lab Grown Diamond

EX • G/VVS2 • IGI LG839670515

Shape and cutting style on the report: Princess cut

Certificate IGI LG839670515

Diamond specifications and retailer prices

From £191 GBP
HK$2,000 HKD
As of November 1, 2026
Save £391 GBP (67%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £849 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839670515 or 839670515. Listed at 19 retailers as of November 1, 2026, with a 205% 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

1.28
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670515
Dimensions5.88 × 5.79 × 4.27 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.88 mm5.79 mm1.28 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839670515
Side View
Table 72.0%Crown 40.5°Girdle: Slightly ThickPavilion 39.1°Culet: NoneDepth 73.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £432 GBP|Low: £130 GBP|High: £849 GBP|Avg: £392 GBP|-16.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 2, 2026
Retailer 18£136 GBP
Retailer 5£152 GBP
Retailer 2£158 GBP
Retailer 11£169 GBP
Retailer 3£191 GBP
Retailer 17£209 GBP
Retailer 12£280 GBP
Retailer 15£285 GBP
Retailer 16£298 GBP
Retailer 13£303 GBP
Retailer 8£355 GBP
Retailer 9£373 GBP
Retailer 1£432 GBP
Retailer 4£496 GBP
Retailer 19£543 GBP
Retailer 6£551 GBP
Retailer 7£564 GBP
Retailer 10£583 GBP
Retailer 14£791 GBP
Reve Diamonds£849 GBP

23 data points across 20 retailers

19 retailers£191 GBP to £582 GBP

Retailer 1
-
£136 GBP
$183 USD
Price last confirmed 23 days ago
Retailer 2
-
£158 GBP
$212 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£169 GBP
$226 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
£191 GBP
HK$2,000 HKD
View
A
Retailer 5
-
£280 GBP
€358 EUR
View
Retailer 6
-
£285 GBP
ZAR 6,185 ZAR
View
Price last confirmed 11 days ago
Retailer 7
-
£298 GBP
$399 USD
View
Price last confirmed 9 days ago
Retailer 8
-
£303 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£355 GBP
$476 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£373 GBP
$500 USD
View
B+
Retailer 11
-
£432 GBP
$579 USD
View
B+
Retailer 12
-
£496 GBP
$665 USD
View
Retailer 13
-
£543 GBP
$728 USD
View
Price last confirmed 24 days ago
B
Retailer 14
-
£551 GBP
SGD 998 SGD
View
B
Retailer 15
-
£564 GBP
$756 USD
View
B
Retailer 16
-
£582 GBP
$780 USD
View
Retailer 17
-
£583 GBP
$782 USD
View
Price last confirmed 7 days ago
Retailer 18
-
£791 GBP
View
Price last confirmed 9 days ago
Most Expensive
Reve Diamonds
99312F741 · Oct 25
£849 GBP
$1,138 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from £191 GBPSave up to £391 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
1.28ct Princess
£191 GBP