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 $432 NZD
As of November 4, 2026
Save $3,713 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,145 NZD at Do Amore Diamonds · As of November 4, 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 4, 2026, with prices from $432 to $4,145, a $3,713 spread on the same certified stone. Do Amore Diamonds lists it at $4,145. 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 4
Current: $4,145 NZD|Low: $423 NZD|High: $17,947 NZD|Avg: $2,982 NZD|-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 3, 2026
Retailer 11$432 NZD
Retailer 16$502 NZD
Retailer 7$845 NZD
Retailer 13$904 NZD
Retailer 15$993 NZD
Retailer 5$1,156 NZD
Retailer 6$1,379 NZD
Retailer 2$1,453 NZD
Retailer 12$1,731 NZD
Retailer 14$1,903 NZD
Retailer 9$2,371 NZD
Retailer 3$2,686 NZD
Retailer 4$3,127 NZD
Retailer 10$3,273 NZD
Do Amore Diamonds$4,145 NZD
Retailer 8$17,947 NZD

27 data points across 16 retailers

14 retailers$432 NZD to $4,145 NZD

A+
Cheapest Retailer
-
$432 NZD
A
Retailer 2
-
$502 NZD
View
A
Retailer 3
-
$904 NZD
View
Retailer 4
-
$993 NZD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,156 NZD
View
A
Retailer 6
-
$1,379 NZD
View
A
Retailer 7
-
$1,453 NZD
View
B+
Retailer 8
-
$1,731 NZD
View
B+
Retailer 9
-
$1,903 NZD
View
B+
Retailer 10
-
$2,371 NZD
View
Retailer 11
-
$2,686 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$3,127 NZD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$3,273 NZD
View
Most Expensive
B
Do Amore Diamonds
27-69F246657 · Nov 4
$4,145 NZD
$2,330 USD
View
13 more retailers have this diamond
Prices start from $432 NZDSave up to $3,713 NZD

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
$432 NZD