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Princess|Lab Grown|IGI

1.71ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG752562812

Shape and cutting style on the report: Princess cut

Certificate IGI LG752562812

Diamond specifications and retailer prices

From $325 USD
As of November 2, 2026
Save $1,301 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,626 USD at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752562812 or 752562812. Listed at 13 retailers as of October 29, 2026, with prices from $325 to $1,626, a $1,301 spread on the same certified stone. MOH London lists it at $1,626. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752562812
Dimensions6.78 × 6.67 × 4.57 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.67 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752562812
Side View
Table 70.0%Crown 38.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 68.5%

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: Nov 2
Current: $1,626 USD|Low: $312 USD|High: $1,637 USD|Avg: $784 USD|+4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$325 USD
Retailer 9$403 USD
Retailer 11$403 USD
Retailer 5$519 USD
Retailer 4$555 USD
Retailer 10$653 USD
Retailer 3$668 USD
Retailer 2$721 USD
Retailer 6$1,183 USD
Retailer 8$1,270 USD
MOH London$1,626 USD

43 data points across 11 retailers

13 retailers$325 USD to $1,626 USD

A
Cheapest Retailer
-
$325 USD
A
Retailer 2
-
$377 USD
View
A
Retailer 3
-
$403 USD
View
Retailer 4
-
$403 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$519 USD
£409 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$555 USD
View
B+
Retailer 7
-
$653 USD
View
B+
Retailer 8
-
$668 USD
View
B+
Retailer 9
-
$721 USD
£568 GBP
View
B
Retailer 10
-
$1,183 USD
View
B
Retailer 11
-
$1,270 USD
View
B
Retailer 12
-
$1,297 USD
View
Most Expensive
B
MOH London
LG752562812 · Oct 29
$1,626 USD
£1,280 GBP
View
12 more retailers have this diamond
Prices start from $325 USDSave up to $1,301 USD

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
$325 USD