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Marquise|Lab Grown|IGI

1.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG828664428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828664428

Diamond specifications and retailer prices

From $397 AUD
$279 USD
As of October 31, 2026
Save $2,066 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,463 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG828664428 or 828664428. Listed at 18 retailers as of October 31, 2026, with prices from $397 to $2,463, a $2,066 spread on the same certified stone. Brilliant Earth lists it at $2,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664428
Dimensions10.26 × 5.20 × 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
10.26 mm5.20 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664428
Side View
Table 59.0%Crown 36.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 62.5%

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: Oct 31
Current: $2,463 AUD|Low: $397 AUD|High: $2,605 AUD|Avg: $979 AUD|-5.5%
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
November 1, 2026
Retailer 12$397 AUD
Retailer 8$409 AUD
Retailer 7$471 AUD
Retailer 11$492 AUD
Retailer 6$501 AUD
Retailer 10$510 AUD
Retailer 16$595 AUD
Retailer 13$648 AUD
Retailer 17$743 AUD
Retailer 4$828 AUD
Retailer 2$840 AUD
Retailer 3$1,172 AUD
Retailer 14$1,186 AUD
Retailer 15$1,397 AUD
Retailer 9$1,639 AUD
Retailer 18$1,831 AUD
Retailer 5$1,953 AUD
Brilliant Earth$2,463 AUD

23 data points across 18 retailers

18 retailers$397 AUD to $2,463 AUD

A+
Cheapest Retailer
-
$397 AUD
$279 USD
Final sale: no returns
Retailer 2
-
$409 AUD
$287 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$471 AUD
$331 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$492 AUD
HK$2,700 HKD
View
Retailer 5
-
$501 AUD
$352 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$510 AUD
$358 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$595 AUD
$418 USD
View
A
Retailer 8
-
$648 AUD
$455 USD
View
A
Retailer 9
-
$743 AUD
€497 EUR
View
A
Retailer 10
-
$828 AUD
ZAR 9,393 ZAR
View
A
Retailer 11
-
$840 AUD
£464 GBP
View
B+
Retailer 12
-
$1,172 AUD
View
B+
Retailer 13
-
$1,186 AUD
SGD 1,126 SGD
View
B+
Retailer 14
-
$1,397 AUD
$981 USD
View
Retailer 15
-
$1,639 AUD
$1,151 USD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$1,831 AUD
£1,013 GBP
View
Retailer 17
-
$1,953 AUD
£1,080 GBP
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21062199A · Oct 31
$2,463 AUD
$1,730 USD
View
17 more retailers have this diamond
Prices start from $397 AUDSave up to $2,066 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+
1.02ct Marquise
$397 AUD