Princess|Lab Grown|IGI

1.71ct F VVS2 Princess Lab Grown Diamond

ID • F/VVS2 • IGI LG815691437

Shape and cutting style on the report: Princess cut

Certificate IGI LG815691437

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of October 30, 2026
Save £708 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £955 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG815691437 or 815691437. Listed at 13 retailers as of October 30, 2026, with a 424% 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

1.71
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815691437
Dimensions6.55 × 6.51 × 4.69 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.51 mm1.71 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815691437
Side View
Table 69.0%Crown 40°Girdle: MediumPavilion 39.3°Culet: NoneDepth 72.0%

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 30
Current: £955 GBP|Low: £166 GBP|High: £974 GBP|Avg: £600 GBP|+3.8%
Rare Carat
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 30, 2026
Retailer 11£167 GBP
Retailer 9£194 GBP
Retailer 2£232 GBP
Retailer 6£348 GBP
Retailer 3£458 GBP
Retailer 8£485 GBP
Retailer 4£667 GBP
Retailer 10£669 GBP
Retailer 13£760 GBP
Retailer 7£836 GBP
Retailer 5£851 GBP
Retailer 12£875 GBP
Rare Carat£955 GBP

36 data points across 13 retailers

13 retailers£167 GBP to £875 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
A
Retailer 2
-
£194 GBP
$260 USD
View
A
Retailer 3
-
£232 GBP
View
A
Retailer 4
-
£348 GBP
€444 EUR
View
A
Retailer 5
-
£458 GBP
$614 USD
View
A
Retailer 6
-
£485 GBP
A$999 AUD
View
B+
Retailer 7
-
£667 GBP
$894 USD
View
B+
Retailer 8
-
£669 GBP
$897 USD
View
B+
Retailer 9
-
£760 GBP
$1,018 USD
View
B+
Retailer 10
-
£836 GBP
View
Retailer 11
-
£851 GBP
SGD 1,540 SGD
View
Price last confirmed 18 days ago
B+
Retailer 12
-
£875 GBP
$1,173 USD
View
Most Expensive
Rare Carat
LGPR15-106546 · Oct 18
£955 GBP
$1,280 USD
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from £167 GBPSave up to £708 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
1.71ct Princess
£167 GBP