Marquise|Lab Grown|IGI

1.25ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG833685342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833685342

Diamond specifications and retailer prices

From $243 USD
As of October 30, 2026
Save $2,087 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of October 31, 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 LG833685342 or 833685342. Listed at 14 retailers as of October 30, 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 angle31.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833685342
Dimensions11.01 × 5.74 × 3.42 mm
L/W Ratio1.92
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
11.01 mm5.74 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833685342
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 59.6%

Caratlytics Score

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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: Oct 30
Current: $2,330 USD|Low: $238 USD|High: $10,089 USD|Avg: $1,684 USD|-2.1%
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
October 30, 2026
Retailer 11$243 USD
Retailer 16$282 USD
Retailer 7$475 USD
Retailer 13$508 USD
Retailer 15$559 USD
Retailer 5$650 USD
Retailer 6$776 USD
Retailer 10$810 USD
Retailer 12$973 USD
Retailer 14$1,070 USD
Retailer 9$1,341 USD
Retailer 3$1,510 USD
Retailer 4$1,759 USD
Retailer 2$1,840 USD
Do Amore Diamonds$2,330 USD
Retailer 8$10,089 USD

26 data points across 16 retailers

14 retailers$243 USD to $2,330 USD

A+
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$282 USD
View
A
Retailer 3
-
$508 USD
View
A
Retailer 4
-
$559 USD
€532 EUR
View
A
Retailer 5
-
$650 USD
View
Retailer 6
-
$776 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$810 USD
A$1,246 AUD
View
B+
Retailer 8
-
$973 USD
View
B+
Retailer 9
-
$1,070 USD
View
B+
Retailer 10
-
$1,341 USD
£1,056 GBP
View
B+
Retailer 11
-
$1,510 USD
View
Retailer 12
-
$1,759 USD
A$2,706 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$1,840 USD
View
Most Expensive
B
Do Amore Diamonds
27-69F246657 · Oct 31
$2,330 USD
View
13 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