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Princess|Lab Grown|IGI

1.09ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG731589812

Shape and cutting style on the report: Princess cut

Certificate IGI LG731589812

Diamond specifications and retailer prices

From $624 NZD
$351 USD
As of November 2, 2026
Save $3,535 NZD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,159 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731589812 or 731589812. Listed at 23 retailers as of November 2, 2026, with prices from $624 to $4,159, a $3,535 spread on the same certified stone. Brilliant Earth lists it at $4,159. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589812
Dimensions5.75 × 5.64 × 3.77 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
5.75 mm5.64 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589812
Side View
Table 66.0%Crown 40.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 66.8%

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: $4,159 NZD|Low: $611 NZD|High: $4,497 NZD|Avg: $1,818 NZD|-7.5%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 9$624 NZD
Retailer 10$697 NZD
Retailer 22$723 NZD
Retailer 5$773 NZD
Retailer 11$773 NZD
Retailer 13$795 NZD
Retailer 3$962 NZD
Retailer 21$1,040 NZD
Retailer 14$1,111 NZD
Retailer 19$1,276 NZD
Retailer 16$1,332 NZD
Retailer 17$1,389 NZD
Retailer 20$1,876 NZD
Retailer 2$2,094 NZD
Retailer 15$2,364 NZD
Retailer 7$2,483 NZD
Retailer 4$2,488 NZD
Retailer 12$2,557 NZD
Retailer 6$2,975 NZD
Retailer 8$3,007 NZD
Retailer 18$3,018 NZD
Brilliant Earth$4,159 NZD

33 data points across 22 retailers

23 retailers$624 NZD to $4,159 NZD

A
Cheapest Retailer
-
$624 NZD
$351 USD
A
Retailer 2
-
$697 NZD
$392 USD
View
Final sale: no returns
A
Retailer 3
-
$723 NZD
$407 USD
View
Retailer 4
-
$773 NZD
$435 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$773 NZD
$435 USD
View
A
Retailer 6
-
$795 NZD
£352 GBP
View
A
Retailer 7
-
$962 NZD
$541 USD
View
A
Retailer 8
-
$1,040 NZD
$585 USD
View
A
Retailer 9
-
$1,111 NZD
$625 USD
View
A
Retailer 10
-
$1,276 NZD
€684 EUR
View
A
Retailer 11
-
$1,332 NZD
ZAR 12,108 ZAR
View
B+
Retailer 12
-
$1,389 NZD
£615 GBP
View
B+
Retailer 13
-
$1,876 NZD
A$1,624 AUD
View
B+
Retailer 14
-
$2,094 NZD
$1,178 USD
View
Retailer 15
-
$2,364 NZD
A$2,046 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$2,483 NZD
$1,397 USD
View
Retailer 17
-
$2,488 NZD
$1,400 USD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$2,557 NZD
$1,439 USD
View
B
Retailer 19
-
$2,975 NZD
$1,674 USD
View
B
Retailer 20
-
$3,007 NZD
£1,332 GBP
View
B
Retailer 21
-
$3,016 NZD
$1,697 USD
View
B
Retailer 22
-
$3,018 NZD
£1,337 GBP
View
Most Expensive
B
Brilliant Earth
15765517A · Nov 2
$4,159 NZD
$2,340 USD
View
22 more retailers have this diamond
Prices start from $624 NZDSave up to $3,535 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
1.09ct Princess
$624 NZD