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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 $578 NZD
$325 USD
As of November 2, 2026
Save $2,312 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,889 NZD 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 12 retailers as of October 29, 2026, with prices from $578 to $2,889, a $2,312 spread on the same certified stone. MOH London lists it at $2,889. 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
Colour
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: $2,889 NZD|Low: $555 NZD|High: $2,909 NZD|Avg: $1,394 NZD|+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$578 NZD
Retailer 9$716 NZD
Retailer 11$716 NZD
Retailer 5$923 NZD
Retailer 4$986 NZD
Retailer 10$1,161 NZD
Retailer 3$1,187 NZD
Retailer 2$1,282 NZD
Retailer 6$2,103 NZD
Retailer 8$2,257 NZD
MOH London$2,889 NZD

42 data points across 11 retailers

12 retailers$578 NZD to $2,889 NZD

A
Cheapest Retailer
-
$578 NZD
$325 USD
A
Retailer 2
-
$670 NZD
$377 USD
View
A
Retailer 3
-
$716 NZD
$403 USD
View
Retailer 4
-
$716 NZD
$403 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$986 NZD
$555 USD
View
B+
Retailer 6
-
$1,161 NZD
$653 USD
View
B+
Retailer 7
-
$1,187 NZD
$668 USD
View
B+
Retailer 8
-
$1,282 NZD
£568 GBP
View
B
Retailer 9
-
$2,103 NZD
$1,183 USD
View
B
Retailer 10
-
$2,257 NZD
$1,270 USD
View
B
Retailer 11
-
$2,305 NZD
$1,297 USD
View
Most Expensive
B
MOH London
LG752562812 · Oct 29
$2,889 NZD
£1,280 GBP
View
11 more retailers have this diamond
Prices start from $578 NZDSave up to $2,312 NZD

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
$578 NZD