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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 €253 EUR
As of November 4, 2026
Save €1,052 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,588 EUR 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

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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: Nov 4
Current: €1,588 EUR|Low: €243 EUR|High: €1,597 EUR|Avg: €681 EUR|-0.6%
Rare Carat
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
November 4, 2026
Retailer 17€253 EUR
Retailer 4€283 EUR
Retailer 6€294 EUR
Retailer 3€314 EUR
Retailer 16€314 EUR
Retailer 13€325 EUR
Retailer 15€431 EUR
Retailer 10€456 EUR
Retailer 8€539 EUR
Retailer 11€541 EUR
Retailer 2€549 EUR
Retailer 14€966 EUR
Retailer 5€1,011 EUR
Retailer 9€1,226 EUR
Retailer 12€1,259 EUR
Retailer 7€1,305 EUR
Rare Carat€1,588 EUR

43 data points across 17 retailers

17 retailers€253 EUR to €1,305 EUR

A
Cheapest Retailer
-
€253 EUR
A
Retailer 2
-
€283 EUR
View
Final sale: no returns
A
Retailer 3
-
€294 EUR
View
A
Retailer 4
-
€314 EUR
View
Retailer 5
-
€314 EUR
View
Price last confirmed 10 days ago
A
Retailer 6
-
€431 EUR
View
A
Retailer 7
-
€456 EUR
View
A
Retailer 8
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€539 EUR
View
A
Retailer 9
-
€541 EUR
View
A
Retailer 10
-
€549 EUR
View
A
Retailer 11
-
€779 EUR
View
B+
Retailer 12
-
€966 EUR
View
B+
Retailer 13
-
€1,011 EUR
View
B+
Retailer 14
-
€1,055 EUR
View
B+
Retailer 15
-
€1,259 EUR
View
B+
Retailer 16
-
€1,305 EUR
View
Most Expensive
Rare Carat
SS20491_l_758581818 · Oct 21
€1,588 EUR
$1,775 USD
View
Price last confirmed 13 days ago
16 more retailers have this diamond
Prices start from €253 EURSave up to €1,052 EUR

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
€253 EUR