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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676937

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676937

Diamond specifications and retailer prices

From $360 AUD
$252 USD
As of November 2, 2026
Save $2,865 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,225 AUD at Brilliant Earth · As of November 2, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676937 or 800676937. Listed at 15 retailers as of November 2, 2026, with prices from $360 to $3,225, a $2,865 spread on the same certified stone. Brilliant Earth lists it at $3,225. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676937
Dimensions10.40 × 5.27 × 3.25 mm
L/W Ratio1.97
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
10.40 mm5.27 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676937
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.7%

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 2
Current: $3,225 AUD|Low: $360 AUD|High: $4,095 AUD|Avg: $1,398 AUD|-21.3%
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
November 2, 2026
Retailer 11$360 AUD
Retailer 3$417 AUD
Retailer 7$457 AUD
Retailer 9$506 AUD
Retailer 12$666 AUD
Retailer 5$695 AUD
Retailer 4$699 AUD
Retailer 15$745 AUD
Retailer 10$847 AUD
Retailer 6$1,009 AUD
Retailer 13$1,367 AUD
Retailer 16$1,580 AUD
Retailer 2$1,968 AUD
Retailer 8$2,578 AUD
Retailer 14$3,182 AUD
Brilliant Earth$3,225 AUD

36 data points across 16 retailers

15 retailers$360 AUD to $3,225 AUD

A+
Cheapest Retailer
-
$360 AUD
$252 USD
A
Retailer 2
-
$417 AUD
$292 USD
View
A
Retailer 3
-
$457 AUD
$320 USD
View
Final sale: no returns
A
Retailer 4
-
$506 AUD
£279 GBP
View
A
Retailer 5
-
$666 AUD
$467 USD
View
A
Retailer 6
-
$695 AUD
$487 USD
View
A
Retailer 7
-
$699 AUD
$490 USD
View
A
Retailer 8
-
$745 AUD
$522 USD
View
A
Retailer 9
-
$847 AUD
€565 EUR
View
B+
Retailer 10
-
$1,009 AUD
View
B+
Retailer 11
-
$1,367 AUD
$958 USD
View
B+
Retailer 12
-
$1,580 AUD
$1,107 USD
View
B+
Retailer 13
-
$1,968 AUD
£1,086 GBP
View
B
Retailer 14
-
$3,182 AUD
$2,230 USD
View
Most Expensive
B
Brilliant Earth
21014390Y · Nov 2
$3,225 AUD
$2,260 USD
View
14 more retailers have this diamond
Prices start from $360 AUDSave up to $2,865 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+
1.05ct Marquise
$360 AUD