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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787624309

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787624309

Diamond specifications and retailer prices

From $385 AUD
$270 USD
As of November 2, 2026
Save $2,668 AUD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,054 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 LG787624309 or 787624309. Listed at 24 retailers as of November 2, 2026, with prices from $385 to $3,054, a $2,668 spread on the same certified stone. Brilliant Earth lists it at $3,054. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624309
Dimensions10.57 × 5.41 × 3.30 mm
L/W Ratio1.95
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
10.57 mm5.41 mm1.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624309
Side View
Table 58.0%Crown 33.4°Girdle: THN-MEDPavilion 40°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: Nov 2
Current: $3,054 AUD|Low: $385 AUD|High: $4,010 AUD|Avg: $1,307 AUD|-23.8%
Brilliant Earth
Retailer 2
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Retailer 21
November 3, 2026
Retailer 21$385 AUD
Retailer 10$429 AUD
Retailer 16$447 AUD
Retailer 7$478 AUD
Retailer 13$491 AUD
Retailer 8$530 AUD
Retailer 9$599 AUD
Retailer 20$654 AUD
Retailer 15$823 AUD
Retailer 19$825 AUD
Retailer 2$838 AUD
Retailer 5$872 AUD
Retailer 14$960 AUD
Retailer 18$1,163 AUD
Retailer 11$1,279 AUD
Retailer 12$1,534 AUD
Retailer 6$1,607 AUD
Retailer 4$1,687 AUD
Retailer 17$1,914 AUD
Retailer 3$2,021 AUD
Brilliant Earth$3,054 AUD

32 data points across 21 retailers

24 retailers$385 AUD to $3,054 AUD

A
Cheapest Retailer
-
$385 AUD
$270 USD
A
Retailer 2
-
$429 AUD
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$447 AUD
$313 USD
View
A
Retailer 4
-
$478 AUD
$335 USD
View
A
Retailer 5
-
$491 AUD
£271 GBP
View
A
Retailer 6
-
$530 AUD
HK$2,900 HKD
View
Retailer 7
-
$595 AUD
$417 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$599 AUD
$420 USD
View
A
Retailer 9
-
$654 AUD
$458 USD
View
A
Retailer 10
-
$823 AUD
ZAR 9,318 ZAR
View
A
Retailer 11
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$825 AUD
$578 USD
View
A
Retailer 12
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$838 AUD
£463 GBP
View
A
Retailer 13
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$872 AUD
$611 USD
View
Retailer 14
-
$960 AUD
€641 EUR
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,158 AUD
View
B+
Retailer 16
-
$1,163 AUD
$815 USD
View
B+
Retailer 17
-
$1,279 AUD
SGD 1,211 SGD
View
B+
Retailer 18
-
$1,534 AUD
$1,075 USD
View
B
Retailer 19
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$1,607 AUD
$1,126 USD
View
B
Retailer 20
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$1,687 AUD
$1,182 USD
View
B
Retailer 21
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$1,914 AUD
£1,056 GBP
View
B
Retailer 22
-
$2,021 AUD
$1,416 USD
View
B
Retailer 23
-
$2,911 AUD
$2,040 USD
View
Most Expensive
B
Brilliant Earth
20381042A · Nov 2
$3,054 AUD
$2,140 USD
View
23 more retailers have this diamond
Prices start from $385 AUDSave up to $2,668 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
$385 AUD