Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843667698

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667698

Diamond specifications and retailer prices

From $243 USD
As of November 2, 2026
Save $2,087 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise 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 LG843667698 or 843667698. Listed at 17 retailers as of November 2, 2026, with prices from $243 to $2,330, a $2,087 spread on the same certified stone. Do Amore Diamonds lists it at $2,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667698
Dimensions11.24 × 5.52 × 3.52 mm
L/W Ratio2.04
Girdle conditionFaceted
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
11.24 mm5.52 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667698
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 63.8%

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 2
Current: $2,330 USD|Low: $229 USD|High: $2,380 USD|Avg: $1,009 USD|+5.9%
Do Amore Diamonds
Retailer 2
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Retailer 18
November 2, 2026
Retailer 15$243 USD
Retailer 6$282 USD
Retailer 2$343 USD
Retailer 16$452 USD
Retailer 18$508 USD
Retailer 4$559 USD
Retailer 7$650 USD
Retailer 14$810 USD
Retailer 17$973 USD
Retailer 5$984 USD
Retailer 3$1,070 USD
Retailer 10$1,199 USD
Retailer 11$1,334 USD
Retailer 9$1,510 USD
Retailer 12$1,737 USD
Retailer 13$1,840 USD
Retailer 8$1,868 USD
Do Amore Diamonds$2,330 USD

19 data points across 18 retailers

17 retailers$243 USD to $2,330 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$282 USD
View
A
Retailer 3
-
$343 USD
£270 GBP
View
A
Retailer 4
-
$452 USD
View
A
Retailer 5
-
$508 USD
View
A
Retailer 6
-
$559 USD
€532 EUR
View
A
Retailer 7
-
$650 USD
View
A
Retailer 8
-
$810 USD
A$1,246 AUD
View
B+
Retailer 9
-
$973 USD
View
B+
Retailer 10
-
$984 USD
View
B+
Retailer 11
-
$1,070 USD
View
B+
Retailer 12
-
$1,334 USD
£1,050 GBP
View
B+
Retailer 13
-
$1,510 USD
View
B
Retailer 14
-
$1,737 USD
A$2,673 AUD
View
B+
Retailer 15
-
$1,840 USD
View
B
Retailer 16
-
$1,868 USD
View
Most Expensive
B
Do Amore Diamonds
27-B4608420B · Nov 2
$2,330 USD
View
16 more retailers have this diamond
Prices start from $243 USDSave up to $2,087 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
1.25ct Marquise
$243 USD