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Round|Lab Grown|IGI

1.03ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816615410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615410

Diamond specifications and retailer prices

From $323 AUD
$227 USD
As of October 29, 2026
Save $1,513 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,836 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round 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 LG816615410 or 816615410. Listed at 18 retailers as of October 29, 2026, with prices from $323 to $1,836, a $1,513 spread on the same certified stone. Brilliant Earth lists it at $1,836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615410
Dimensions6.52 × 6.46 × 3.96 mm
L/W Ratio1.01
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
6.52 mm6.46 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615410
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

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: Oct 29
Current: $1,836 AUD|Low: $360 AUD|High: $2,221 AUD|Avg: $1,001 AUD|-17.3%
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
October 30, 2026
Retailer 9$360 AUD
Retailer 11$374 AUD
Retailer 6$674 AUD
Retailer 12$682 AUD
Retailer 7$689 AUD
Retailer 2$747 AUD
Retailer 13$760 AUD
Retailer 4$1,089 AUD
Retailer 10$1,293 AUD
Retailer 3$1,363 AUD
Retailer 5$1,407 AUD
Retailer 8$1,609 AUD
Brilliant Earth$1,836 AUD

45 data points across 13 retailers

18 retailers$323 AUD to $1,836 AUD

A
Cheapest Retailer
-
$323 AUD
$227 USD
A
Retailer 2
-
$360 AUD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$374 AUD
$263 USD
View
A
Retailer 4
-
$401 AUD
$282 USD
View
A
Retailer 5
-
$401 AUD
$282 USD
View
Retailer 6
-
$404 AUD
$284 USD
View
Price last confirmed 53 days ago
A
Retailer 7
-
$674 AUD
€451 EUR
View
A
Retailer 8
-
$682 AUD
$479 USD
View
A
Retailer 9
-
$689 AUD
ZAR 7,814 ZAR
View
A
Retailer 10
-
$747 AUD
£413 GBP
View
A
Retailer 11
-
$760 AUD
$534 USD
View
B+
Retailer 12
-
$1,089 AUD
SGD 1,034 SGD
View
B+
Retailer 13
-
$1,288 AUD
$905 USD
View
B
Retailer 14
-
$1,293 AUD
$908 USD
View
B+
Retailer 15
-
$1,363 AUD
$958 USD
View
B
Retailer 16
-
$1,397 AUD
$981 USD
View
B+
Retailer 17
-
$1,609 AUD
£890 GBP
View
Most Expensive
B
Brilliant Earth
21422035A · Oct 30
$1,836 AUD
$1,290 USD
View
17 more retailers have this diamond
Prices start from $323 AUDSave up to $1,513 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
1.03ct Round
$323 AUD