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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG791653600

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791653600

Diamond specifications and retailer prices

From $335 AUD
$235 USD
As of November 1, 2026
Save $2,555 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,630 AUD at Brilliant Earth · As of October 24, 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 LG791653600 or 791653600. Listed at 25 retailers as of November 1, 2026, with a 764% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791653600
Dimensions10.38 × 5.38 × 3.32 mm
L/W Ratio1.93
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
10.38 mm5.38 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791653600
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,050 AUD|Low: $332 AUD|High: $2,890 AUD|Avg: $889 AUD
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
November 2, 2026
Retailer 15$332 AUD
Retailer 7$335 AUD
Retailer 14$349 AUD
Retailer 5$373 AUD
Retailer 10$373 AUD
Retailer 17$423 AUD
Retailer 18$530 AUD
Retailer 6$565 AUD
Retailer 4$656 AUD
Retailer 22$709 AUD
Retailer 13$710 AUD
Retailer 2$769 AUD
Retailer 9$780 AUD
Retailer 21$1,003 AUD
Retailer 23$1,202 AUD
Retailer 8$1,321 AUD
Retailer 12$1,352 AUD
Retailer 16$1,396 AUD
Retailer 19$1,656 AUD
Retailer 11$1,749 AUD
Retailer 20$1,801 AUD
Brilliant Earth$2,050 AUD
Retailer 3$2,890 AUD

28 data points across 23 retailers

25 retailers$335 AUD to $2,890 AUD

Retailer 1
-
$332 AUD
$233 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$335 AUD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$349 AUD
$245 USD
View
Retailer 4
-
$373 AUD
$262 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$373 AUD
$262 USD
View
A
Retailer 6
-
$423 AUD
£234 GBP
View
A
Retailer 7
-
$530 AUD
$372 USD
View
A
Retailer 8
-
$565 AUD
HK$3,100 HKD
View
A
Retailer 9
-
$656 AUD
$461 USD
View
A
Retailer 10
-
$709 AUD
$498 USD
View
A
Retailer 11
-
$710 AUD
ZAR 8,056 ZAR
View
A
Retailer 12
-
$769 AUD
£426 GBP
View
Retailer 13
-
$780 AUD
€522 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,003 AUD
View
B+
Retailer 15
-
$1,202 AUD
$844 USD
View
B+
Retailer 16
-
$1,321 AUD
$928 USD
View
B+
Retailer 17
-
$1,352 AUD
SGD 1,283 SGD
View
B+
Retailer 18
-
$1,396 AUD
$981 USD
View
B+
Retailer 19
-
$1,656 AUD
£916 GBP
View
B+
Retailer 20
-
$1,749 AUD
$1,229 USD
View
B
Retailer 21
-
$1,801 AUD
$1,265 USD
View
B+
Retailer 22
-
$2,050 AUD
$1,440 USD
View
B
Retailer 23
-
$2,802 AUD
£1,550 GBP
View
B
Retailer 24
-
$2,890 AUD
$2,030 USD
View
Most Expensive
Brilliant Earth
18897939A · Oct 24
$3,630 AUD
$2,550 USD
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from $335 AUDSave up to $2,555 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
$335 AUD