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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 $347 AUD
As of November 6, 2026
Save $2,981 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,328 AUD at Do Amore Diamonds · As of November 6, 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 November 6, 2026, with prices from $347 to $3,328, a $2,981 spread on the same certified stone. Do Amore Diamonds lists it at $3,328. 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
Colour
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

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,328 AUD|Low: $340 AUD|High: $14,412 AUD|Avg: $2,368 AUD|-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
November 6, 2026
Retailer 12$347 AUD
Retailer 16$403 AUD
Retailer 7$679 AUD
Retailer 14$726 AUD
Retailer 2$796 AUD
Retailer 5$929 AUD
Retailer 6$1,107 AUD
Retailer 9$1,167 AUD
Retailer 13$1,390 AUD
Retailer 15$1,528 AUD
Retailer 10$1,904 AUD
Retailer 3$2,157 AUD
Retailer 4$2,511 AUD
Retailer 11$2,628 AUD
Do Amore Diamonds$3,328 AUD
Retailer 8$14,412 AUD

27 data points across 16 retailers

14 retailers$347 AUD to $3,328 AUD

A+
Cheapest Retailer
-
$347 AUD
A
Retailer 2
-
$403 AUD
View
A
Retailer 3
-
$726 AUD
View
A
Retailer 4
-
$796 AUD
View
A
Retailer 5
-
$929 AUD
View
A
Retailer 6
-
$1,107 AUD
View
A
Retailer 7
-
$1,167 AUD
View
B+
Retailer 8
-
$1,390 AUD
View
B+
Retailer 9
-
$1,528 AUD
View
B+
Retailer 10
-
$1,904 AUD
View
Retailer 11
-
$2,157 AUD
View
Price last confirmed 9 days ago
Retailer 12
-
$2,511 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$2,628 AUD
View
Most Expensive
B
Do Amore Diamonds
27-69F246657 · Nov 6
$3,328 AUD
$2,330 USD
View
13 more retailers have this diamond
Prices start from $347 AUDSave up to $2,981 AUD

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
$347 AUD