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Princess|Lab Grown|IGI

1.05ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG731571726

Shape and cutting style on the report: Princess cut

Certificate IGI LG731571726

Diamond specifications and retailer prices

From $366 SGD
$286 USD
As of October 30, 2026
Save $2,741 SGD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,107 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown princess diamond

This 1.05ct 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 LG731571726 or 731571726. Listed at 22 retailers as of October 30, 2026, with prices from $366 to $3,107, a $2,741 spread on the same certified stone. Brilliant Earth lists it at $3,107. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571726
Dimensions5.53 × 5.44 × 4.05 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.53 mm5.44 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571726
Side View
Table 72.0%Crown 43.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.4%

Caratlytics Score

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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: $3,107 SGD|Low: $366 SGD|High: $3,107 SGD|Avg: $1,097 SGD
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 16$366 SGD
Retailer 9$410 SGD
Retailer 3$424 SGD
Retailer 5$454 SGD
Retailer 18$454 SGD
Retailer 2$467 SGD
Retailer 10$507 SGD
Retailer 4$594 SGD
Retailer 11$611 SGD
Retailer 17$745 SGD
Retailer 7$763 SGD
Retailer 22$780 SGD
Retailer 6$789 SGD
Retailer 13$802 SGD
Retailer 20$1,108 SGD
Retailer 15$1,214 SGD
Retailer 14$1,395 SGD
Retailer 21$1,460 SGD
Retailer 8$1,522 SGD
Retailer 19$1,830 SGD
Retailer 12$1,878 SGD
Brilliant Earth$3,107 SGD

30 data points across 22 retailers

22 retailers$366 SGD to $3,107 SGD

A
Cheapest Retailer
-
$366 SGD
$286 USD
A
Retailer 2
-
$410 SGD
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$424 SGD
$332 USD
View
A
Retailer 4
-
$454 SGD
$355 USD
View
Retailer 5
-
$454 SGD
$355 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$467 SGD
£288 GBP
View
A
Retailer 7
-
$507 SGD
HK$3,100 HKD
View
A
Retailer 8
-
$594 SGD
$465 USD
View
A
Retailer 9
-
$611 SGD
$478 USD
View
A
Retailer 10
-
$745 SGD
€555 EUR
View
A
Retailer 11
-
$763 SGD
$597 USD
View
A
Retailer 12
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$780 SGD
ZAR 9,857 ZAR
View
A
Retailer 13
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$789 SGD
$617 USD
View
A
Retailer 14
-
$802 SGD
£494 GBP
View
B+
Retailer 15
-
$1,108 SGD
A$1,333 AUD
View
B+
Retailer 16
-
$1,214 SGD
View
B+
Retailer 17
-
$1,395 SGD
$1,091 USD
View
B+
Retailer 18
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$1,460 SGD
$1,142 USD
View
B+
Retailer 19
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$1,522 SGD
$1,191 USD
View
B+
Retailer 20
-
$1,830 SGD
£1,127 GBP
View
B
Retailer 21
-
$1,878 SGD
$1,469 USD
View
Most Expensive
B
Brilliant Earth
18890759A · Oct 31
$3,107 SGD
$2,430 USD
View
21 more retailers have this diamond
Prices start from $366 SGDSave up to $2,741 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
1.05ct Princess
$366 SGD