CaratHunter
Plans
Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG652415580

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG652415580

Diamond specifications and retailer prices

From $239 USD
As of October 27, 2026
Save $1,571 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,810 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG652415580 or 652415580. Listed at 24 retailers as of October 27, 2026, with prices from $239 to $1,810, a $1,571 spread on the same certified stone. Brilliant Earth lists it at $1,810. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652415580
Dimensions10.94 × 5.31 × 3.24 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
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
10.94 mm5.31 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652415580
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.0%

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: Oct 27
Current: $1,810 USD|Low: $239 USD|High: $2,550 USD|Avg: $806 USD|-29.0%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 29, 2026
Retailer 4$239 USD
Retailer 23$267 USD
Retailer 22$278 USD
Retailer 3$297 USD
Retailer 10$346 USD
Retailer 9$420 USD
Retailer 2$498 USD
Retailer 19$510 USD
Retailer 7$529 USD
Retailer 13$560 USD
Retailer 11$601 USD
Retailer 18$630 USD
Retailer 14$651 USD
Retailer 20$724 USD
Retailer 15$838 USD
Retailer 24$844 USD
Retailer 5$954 USD
Retailer 6$958 USD
Retailer 12$1,007 USD
Retailer 17$1,093 USD
Retailer 21$1,191 USD
Retailer 25$1,280 USD
Retailer 8$1,320 USD
Retailer 16$1,480 USD
Brilliant Earth$1,810 USD

31 data points across 25 retailers

24 retailers$239 USD to $1,810 USD

A
Cheapest Retailer
-
$239 USD
A
Retailer 2
-
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$278 USD
View
A
Retailer 4
-
$297 USD
View
A
Retailer 5
-
$346 USD
HK$2,700 HKD
View
A
Retailer 6
-
$420 USD
View
A
Retailer 7
-
$498 USD
€474 EUR
View
A
Retailer 8
-
$510 USD
ZAR 8,241 ZAR
View
A
Retailer 9
-
$529 USD
View
A
Retailer 10
-
$560 USD
£441 GBP
View
A
Retailer 11
-
$601 USD
View
A
Retailer 12
-
$651 USD
View
B+
Retailer 13
-
$724 USD
A$1,114 AUD
View
B+
Retailer 14
-
$838 USD
SGD 1,133 SGD
View
B+
Retailer 15
-
$844 USD
A$1,298 AUD
View
B+
Retailer 16
-
$954 USD
View
B+
Retailer 17
-
$958 USD
View
B+
Retailer 18
-
$1,007 USD
View
B+
Retailer 19
-
$1,093 USD
View
B+
Retailer 20
-
$1,191 USD
£938 GBP
View
B+
Retailer 21
-
$1,280 USD
View
B
Retailer 22
-
$1,320 USD
View
B
Retailer 23
-
$1,480 USD
A$2,277 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
11737012A · Oct 28
$1,810 USD
View
23 more retailers have this diamond
Prices start from $239 USDSave up to $1,571 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
$239 USD