Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629389

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629389

Diamond specifications and retailer prices

From $234 USD
As of October 30, 2026
Save $2,016 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,250 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG795629389 or 795629389. Listed at 15 retailers as of October 30, 2026, with prices from $234 to $2,250, a $2,016 spread on the same certified stone. Do Amore Diamonds lists it at $2,250. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629389
Dimensions11.13 × 5.52 × 3.40 mm
L/W Ratio2.02
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
11.13 mm5.52 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629389
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.6%

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: Oct 30
Current: $2,250 USD|Low: $230 USD|High: $2,300 USD|Avg: $1,006 USD|-2.2%
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
October 30, 2026
Retailer 12$234 USD
Retailer 3$272 USD
Retailer 8$331 USD
Retailer 14$493 USD
Retailer 9$542 USD
Retailer 7$602 USD
Retailer 6$649 USD
Retailer 11$781 USD
Retailer 13$938 USD
Retailer 15$1,032 USD
Retailer 10$1,293 USD
Retailer 4$1,450 USD
Retailer 5$1,687 USD
Retailer 2$1,760 USD
Do Amore Diamonds$2,250 USD

36 data points across 15 retailers

15 retailers$234 USD to $2,250 USD

A+
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$272 USD
View
A
Retailer 3
-
$331 USD
£261 GBP
View
A
Retailer 4
-
$493 USD
View
A
Retailer 5
-
$542 USD
€516 EUR
View
A
Retailer 6
-
$602 USD
View
A
Retailer 7
-
$649 USD
A$998 AUD
View
A
Retailer 8
-
$781 USD
A$1,202 AUD
View
B+
Retailer 9
-
$938 USD
View
B+
Retailer 10
-
$1,032 USD
View
B+
Retailer 11
-
$1,293 USD
£1,018 GBP
View
B+
Retailer 12
-
$1,450 USD
View
Retailer 13
-
$1,687 USD
A$2,596 AUD
View
Price last confirmed 23 days ago
B
Retailer 14
-
$1,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-43CFF974D · Oct 30
$2,250 USD
View
14 more retailers have this diamond
Prices start from $234 USDSave up to $2,016 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+
1.20ct Marquise
$234 USD