Marquise|Lab Grown|IGI

1.05ct F FL Marquise Lab Grown Diamond

ID • F/FL • IGI LG825663128

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825663128

Diamond specifications and retailer prices

From $604 USD
As of November 4, 2026
Save $870 USD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,040 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825663128 or 825663128. Listed at 7 retailers as of November 4, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825663128
Dimensions10.35 × 5.32 × 3.38 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm5.32 mm1.05 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825663128
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
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: $2,040 USD|Low: $495 USD|High: $2,050 USD|Avg: $988 USD|-0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$604 USD
Retailer 5$610 USD
Retailer 2$647 USD
Retailer 6$650 USD
Retailer 7$1,233 USD
Retailer 3$1,474 USD
Rare Carat$2,040 USD

42 data points across 7 retailers

7 retailers$604 USD to $1,474 USD

A
Cheapest Retailer
-
$604 USD
A
Retailer 2
-
$610 USD
View
B+
Retailer 3
-
$647 USD
View
B+
Retailer 4
-
$650 USD
View
B
Retailer 5
-
$1,233 USD
View
B
Retailer 6
-
$1,474 USD
View
Most Expensive
Rare Carat
NM-207-4-B_l_825663128 · Oct 28
$2,040 USD
View
Price last confirmed 8 days ago
6 more retailers have this diamond
Prices start from $604 USDSave up to $870 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
1.05ct Marquise
$604 USD