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Princess|Lab Grown|IGI

1.29ct E VS1 Princess Lab Grown Diamond

EX • E/VS1 • IGI LG816667120

Shape and cutting style on the report: Princess cut

Certificate IGI LG816667120

Diamond specifications and retailer prices

From £148 GBP
$198 USD
As of October 30, 2026
Save £1,270 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,418 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown princess diamond

This 1.29ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816667120 or 816667120. Listed at 15 retailers as of October 30, 2026, with prices from £148 to £1,418, a £1,270 spread on the same certified stone. Do Amore Diamonds lists it at £1,418. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816667120
Dimensions5.86 × 5.75 × 4.23 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.86 mm5.75 mm1.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816667120
Side View
Table 66.0%Crown 42.2°Girdle: Slightly ThickPavilion 37.7°Culet: NoneDepth 73.6%

Caratlytics Score

How it works →
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: £1,418 GBP|Low: £170 GBP|High: £1,418 GBP|Avg: £541 GBP|+0.5%
Do Amore 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
October 29, 2026
Retailer 11£172 GBP
Retailer 3£218 GBP
Retailer 12£246 GBP
Retailer 5£289 GBP
Retailer 2£328 GBP
Retailer 13£415 GBP
Retailer 8£495 GBP
Retailer 9£592 GBP
Retailer 7£619 GBP
Retailer 10£663 GBP
Retailer 6£816 GBP
Retailer 4£1,000 GBP
Do Amore Diamonds£1,418 GBP

27 data points across 13 retailers

15 retailers£148 GBP to £1,418 GBP

A
Cheapest Retailer
-
£148 GBP
$198 USD
A
Retailer 2
-
£172 GBP
$230 USD
View
A
Retailer 3
-
£218 GBP
$292 USD
View
B+
Retailer 4
-
£246 GBP
$330 USD
View
A
Retailer 5
-
£289 GBP
$387 USD
View
A
Retailer 6
-
£328 GBP
€419 EUR
View
A
Retailer 7
-
£415 GBP
$556 USD
View
B+
Retailer 8
-
£495 GBP
A$1,020 AUD
View
B+
Retailer 9
-
£592 GBP
$793 USD
View
B+
Retailer 10
-
£619 GBP
A$1,276 AUD
View
B
Retailer 11
-
£651 GBP
$872 USD
View
B+
Retailer 12
-
£663 GBP
$888 USD
View
B
Retailer 13
-
£816 GBP
View
Retailer 14
-
£1,000 GBP
$1,340 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Do Amore Diamonds
27-254CA8810 · Oct 30
£1,418 GBP
$1,900 USD
View
14 more retailers have this diamond
Prices start from £148 GBPSave up to £1,270 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
1.29ct Princess
£148 GBP