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Marquise|Lab Grown|IGI

1.29ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645493

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645493

Diamond specifications and retailer prices

From $303 USD
As of November 2, 2026
Save $2,387 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,690 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown marquise diamond

This 1.29ct lab-grown marquise 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 LG784645493 or 784645493. Listed at 15 retailers as of November 1, 2026, with prices from $303 to $2,690, a $2,387 spread on the same certified stone. Do Amore Diamonds lists it at $2,690. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645493
Dimensions11.51 × 5.62 × 3.48 mm
L/W Ratio2.05
Girdle conditionFaceted
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
11.51 mm5.62 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645493
Side View
Table 56.0%Crown 34.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $2,690 USD|Low: $303 USD|High: $3,148 USD|Avg: $1,311 USD|-11.8%
Do Amore Diamonds
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 1, 2026
Retailer 12$303 USD
Retailer 3$352 USD
Retailer 7$385 USD
Retailer 13$536 USD
Retailer 5$555 USD
Retailer 15$615 USD
Retailer 6$701 USD
Retailer 10$708 USD
Retailer 11$805 USD
Retailer 14$1,155 USD
Retailer 16$1,334 USD
Retailer 2$1,664 USD
Retailer 9$2,180 USD
Retailer 4$2,545 USD
Do Amore Diamonds$2,690 USD
Retailer 8$3,148 USD

29 data points across 16 retailers

15 retailers$303 USD to $2,690 USD

A+
Cheapest Retailer
-
$303 USD
A
Retailer 2
-
$352 USD
View
A
Retailer 3
-
$385 USD
View
Final sale: no returns
A
Retailer 4
-
$536 USD
View
A
Retailer 5
-
$555 USD
View
A
Retailer 6
-
$615 USD
View
A
Retailer 7
-
$701 USD
View
A
Retailer 8
-
$708 USD
€674 EUR
View
A
Retailer 9
-
$805 USD
A$1,238 AUD
View
B+
Retailer 10
-
$1,155 USD
View
B+
Retailer 11
-
$1,334 USD
View
B+
Retailer 12
-
$1,664 USD
£1,310 GBP
View
B+
Retailer 13
-
$2,180 USD
View
B
Retailer 14
-
$2,545 USD
View
Most Expensive
B
Do Amore Diamonds
27-781009741 · Nov 1
$2,690 USD
View
14 more retailers have this diamond
Prices start from $303 USDSave up to $2,387 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 Marquise
$303 USD