Princess|Lab Grown|IGI

1.29ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG800676988

Shape and cutting style on the report: Princess cut

Certificate IGI LG800676988

Diamond specifications and retailer prices

From $446 USD
As of October 30, 2026
Save $3,514 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,960 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676988 or 800676988. Listed at 17 retailers as of October 30, 2026, with prices from $446 to $3,960, a $3,514 spread on the same certified stone. Do Amore Diamonds lists it at $3,960. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676988
Dimensions5.90 × 5.82 × 4.32 mm
L/W Ratio1.01
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
5.90 mm5.82 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676988
Side View
Table 64.0%Crown 45.1°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 74.2%

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: $3,960 USD|Low: $446 USD|High: $4,540 USD|Avg: $1,428 USD|-12.8%
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
October 30, 2026
Retailer 11$446 USD
Retailer 4$500 USD
Retailer 8$576 USD
Retailer 9$631 USD
Retailer 12$692 USD
Retailer 6$739 USD
Retailer 15$740 USD
Retailer 14$868 USD
Retailer 10$985 USD
Retailer 13$1,487 USD
Retailer 7$1,590 USD
Retailer 3$1,606 USD
Retailer 5$2,130 USD
Retailer 16$2,553 USD
Retailer 2$2,660 USD
Do Amore Diamonds$3,960 USD

38 data points across 16 retailers

17 retailers$446 USD to $3,960 USD

A
Cheapest Retailer
-
$446 USD
A
Retailer 2
-
$500 USD
View
A
Retailer 3
-
$576 USD
View
Final sale: no returns
A
Retailer 4
-
$631 USD
£497 GBP
View
A
Retailer 5
-
$692 USD
View
A
Retailer 6
-
$739 USD
View
A
Retailer 7
-
$740 USD
View
A
Retailer 8
-
$868 USD
View
A
Retailer 9
-
$985 USD
€938 EUR
View
B+
Retailer 10
-
$1,487 USD
View
B+
Retailer 11
-
$1,590 USD
View
B+
Retailer 12
-
$1,606 USD
View
B+
Retailer 13
-
$2,130 USD
View
B
Retailer 14
-
$2,190 USD
View
B+
Retailer 15
-
$2,553 USD
£2,010 GBP
View
B
Retailer 16
-
$2,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-012B3FF5C · Oct 31
$3,960 USD
View
16 more retailers have this diamond
Prices start from $446 USDSave up to $3,514 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
$446 USD