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Princess|Lab Grown|IGI

1.75ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG436045026

Shape and cutting style on the report: Princess cut

Certificate IGI LG436045026

Diamond specifications and retailer prices

From $1,739 NZD
$980 USD
As of October 31, 2026
Save $3,259 NZD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,581 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 1.75ct lab-grown princess diamond

This 1.75ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045026 or 436045026. Listed at 12 retailers as of October 31, 2026, with a 187% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.75
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045026
Dimensions6.46 × 6.42 × 4.70 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.46 mm6.42 mm1.75 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045026
Side View
Table 71.0%Crown 47.9°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 73.2%

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 31
Current: $8,581 NZD|Low: $1,739 NZD|High: $8,684 NZD|Avg: $3,925 NZD|+0.1%
MOH London
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
November 1, 2026
Retailer 8$1,739 NZD
Retailer 9$2,299 NZD
Retailer 14$2,502 NZD
Retailer 15$2,573 NZD
Retailer 10$2,667 NZD
Retailer 13$2,667 NZD
Retailer 3$2,972 NZD
Retailer 6$3,190 NZD
Retailer 2$3,649 NZD
Retailer 5$3,694 NZD
Retailer 11$4,221 NZD
Retailer 4$4,972 NZD
Retailer 12$4,998 NZD
Retailer 7$7,637 NZD
MOH London$8,581 NZD

38 data points across 15 retailers

12 retailers$1,739 NZD to $4,998 NZD

A
Cheapest Retailer
-
$1,739 NZD
$980 USD
B+
Retailer 2
-
$2,299 NZD
$1,296 USD
View
A
Retailer 3
-
$2,502 NZD
$1,410 USD
View
B+
Retailer 4
-
$2,573 NZD
$1,450 USD
View
Final sale: no returns
Retailer 5
-
$2,667 NZD
$1,503 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,667 NZD
$1,503 USD
View
B+
Retailer 7
-
$2,972 NZD
$1,675 USD
View
B+
Retailer 8
-
$3,649 NZD
£1,620 GBP
View
B
Retailer 9
-
$4,221 NZD
$2,379 USD
View
B
Retailer 10
-
$4,972 NZD
$2,802 USD
View
B
Retailer 11
-
$4,998 NZD
$2,817 USD
View
Most Expensive
MOH London
LG436045026 · Oct 25
$8,581 NZD
£3,808 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from $1,739 NZDSave up to $3,259 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
1.75ct Princess
$1,739 NZD