Princess|Lab Grown|IGI

1.29ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG758581818

Shape and cutting style on the report: Princess cut

Certificate IGI LG758581818

Diamond specifications and retailer prices

From $362 SGD
$283 USD
As of November 2, 2026
Save $1,505 SGD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,270 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.29ct lab-grown princess diamond

This 1.29ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758581818 or 758581818. Listed at 17 retailers as of November 1, 2026, with a 416% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758581818
Dimensions5.94 × 5.93 × 4.26 mm
L/W Ratio1.00
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
5.94 mm5.93 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG758581818
Side View
Table 68.0%Crown 42.5°Girdle: MediumPavilion 38.7°Culet: NoneDepth 71.8%

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: $793 SGD|Low: $348 SGD|High: $1,867 SGD|Avg: $900 SGD|+3.2%
Retailer 1
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
November 3, 2026
Retailer 16$362 SGD
Retailer 3$404 SGD
Retailer 5$421 SGD
Retailer 2$449 SGD
Retailer 15$449 SGD
Retailer 12$465 SGD
Retailer 14$616 SGD
Retailer 11$620 SGD
Retailer 7$771 SGD
Retailer 9$775 SGD
Retailer 1$793 SGD
Retailer 13$1,381 SGD
Retailer 4$1,445 SGD
Retailer 8$1,754 SGD
Retailer 10$1,801 SGD
Retailer 6$1,867 SGD

43 data points across 16 retailers

17 retailers$362 SGD to $1,867 SGD

A
Cheapest Retailer
-
$362 SGD
$283 USD
A
Retailer 2
-
$404 SGD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$421 SGD
$329 USD
View
A
Retailer 4
-
$449 SGD
$351 USD
View
Retailer 5
-
$449 SGD
$351 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$616 SGD
$482 USD
View
A
Retailer 7
-
$620 SGD
$485 USD
View
A
Retailer 8
-
$771 SGD
$603 USD
View
A
Retailer 9
-
$775 SGD
ZAR 9,788 ZAR
View
A
Retailer 10
-
$793 SGD
£488 GBP
View
A
Retailer 11
-
$1,114 SGD
$871 USD
View
B+
Retailer 12
-
$1,381 SGD
$1,080 USD
View
B+
Retailer 13
-
$1,445 SGD
$1,130 USD
View
B+
Retailer 14
-
$1,509 SGD
$1,180 USD
View
B+
Retailer 15
-
$1,801 SGD
£1,109 GBP
View
B+
Retailer 16
-
$1,867 SGD
$1,460 USD
View
Most Expensive
Rare Carat
SS20491_l_758581818 · Oct 21
$2,270 SGD
$1,775 USD
View
Price last confirmed 12 days ago
16 more retailers have this diamond
Prices start from $362 SGDSave up to $1,505 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
1.29ct Princess
$362 SGD