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 $283 USD
As of October 30, 2026
Save $1,177 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,460 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 October 30, 2026, with prices from $283 to $1,460, a $1,177 spread on the same certified stone. Reve Diamonds lists it at $1,460. 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
Color
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: Oct 30
Current: $615 USD|Low: $272 USD|High: $1,460 USD|Avg: $704 USD|+2.3%
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
Reve Diamonds
October 31, 2026
Retailer 15$283 USD
Retailer 3$316 USD
Retailer 5$329 USD
Retailer 2$351 USD
Retailer 14$351 USD
Retailer 11$364 USD
Retailer 13$482 USD
Retailer 9$485 USD
Retailer 6$603 USD
Retailer 8$604 USD
Retailer 1$615 USD
Retailer 12$1,080 USD
Retailer 4$1,130 USD
Retailer 7$1,372 USD
Retailer 10$1,410 USD
Reve Diamonds$1,460 USD

43 data points across 16 retailers

17 retailers$283 USD to $1,460 USD

A
Cheapest Retailer
-
$283 USD
A
Retailer 2
-
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$329 USD
View
A
Retailer 4
-
$351 USD
View
A
Retailer 5
-
$351 USD
View
Retailer 6
-
$364 USD
£286 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$482 USD
View
A
Retailer 8
-
$485 USD
View
A
Retailer 9
-
$603 USD
View
A
Retailer 10
-
$604 USD
ZAR 9,754 ZAR
View
A
Retailer 11
-
$615 USD
£484 GBP
View
A
Retailer 12
-
$871 USD
View
B+
Retailer 13
-
$1,080 USD
View
A
Retailer 14
-
$1,130 USD
View
B+
Retailer 15
-
$1,180 USD
View
B+
Retailer 16
-
$1,410 USD
£1,110 GBP
View
Most Expensive
B+
Reve Diamonds
7CE8F46F8 · Oct 30
$1,460 USD
View
16 more retailers have this diamond
Prices start from $283 USDSave up to $1,177 USD

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
$283 USD