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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 $449 SGD
$351 USD
As of October 30, 2026
Save $2,543 SGD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,991 SGD at Brilliant Earth · As of October 30, 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 October 30, 2026, with prices from $449 to $2,991, a $2,543 spread on the same certified stone. Brilliant Earth lists it at $2,991. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,991 SGD|Low: $440 SGD|High: $3,234 SGD|Avg: $1,301 SGD|-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
October 30, 2026
Retailer 8$449 SGD
Retailer 9$501 SGD
Retailer 20$520 SGD
Retailer 4$556 SGD
Retailer 10$556 SGD
Retailer 2$574 SGD
Retailer 21$692 SGD
Retailer 19$748 SGD
Retailer 12$799 SGD
Retailer 15$918 SGD
Retailer 18$955 SGD
Retailer 13$999 SGD
Retailer 16$1,349 SGD
Retailer 5$1,487 SGD
Retailer 14$1,700 SGD
Retailer 3$1,790 SGD
Retailer 11$1,839 SGD
Retailer 6$2,140 SGD
Retailer 7$2,163 SGD
Retailer 17$2,182 SGD
Brilliant Earth$2,991 SGD

34 data points across 21 retailers

23 retailers$449 SGD to $2,991 SGD

A
Cheapest Retailer
-
$449 SGD
$351 USD
A
Retailer 2
-
$501 SGD
$392 USD
View
Final sale: no returns
A
Retailer 3
-
$520 SGD
$407 USD
View
A
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$556 SGD
$435 USD
View
A
Retailer 6
-
$574 SGD
£353 GBP
View
A
Retailer 7
-
$692 SGD
$541 USD
View
A
Retailer 8
-
$748 SGD
$585 USD
View
A
Retailer 9
-
$799 SGD
$625 USD
View
A
Retailer 10
-
$918 SGD
€684 EUR
View
A
Retailer 11
-
$955 SGD
ZAR 12,065 ZAR
View
B+
Retailer 12
-
$999 SGD
£615 GBP
View
B+
Retailer 13
-
$1,349 SGD
A$1,624 AUD
View
B+
Retailer 14
-
$1,487 SGD
$1,163 USD
View
Retailer 15
-
$1,700 SGD
A$2,046 AUD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$1,786 SGD
$1,397 USD
View
Retailer 17
-
$1,790 SGD
$1,400 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$1,839 SGD
$1,439 USD
View
B
Retailer 19
-
$2,140 SGD
$1,674 USD
View
B
Retailer 20
-
$2,163 SGD
£1,332 GBP
View
B
Retailer 21
-
$2,169 SGD
$1,697 USD
View
B
Retailer 22
-
$2,182 SGD
£1,344 GBP
View
Most Expensive
B
Brilliant Earth
15765517A · Oct 30
$2,991 SGD
$2,340 USD
View
22 more retailers have this diamond
Prices start from $449 SGDSave up to $2,543 SGD

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
$449 SGD