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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816623945

Diamond specifications and retailer prices

From $460 AUD
$323 USD
As of October 30, 2026
Save $3,355 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,815 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant 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 LG816623945 or 816623945. Listed at 19 retailers as of October 30, 2026, with prices from $460 to $3,815, a $3,355 spread on the same certified stone. Brilliant Earth lists it at $3,815. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
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
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

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 30
Current: $3,815 AUD|Low: $443 AUD|High: $3,815 AUD|Avg: $1,276 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
November 2, 2026
Retailer 10$460 AUD
Retailer 4$514 AUD
Retailer 11$571 AUD
Retailer 9$790 AUD
Retailer 7$912 AUD
Retailer 12$927 AUD
Retailer 2$985 AUD
Retailer 5$1,020 AUD
Retailer 8$1,394 AUD
Retailer 3$2,213 AUD
Retailer 6$2,289 AUD
Brilliant Earth$3,815 AUD

44 data points across 12 retailers

19 retailers$460 AUD to $3,815 AUD

A
Cheapest Retailer
-
$460 AUD
$323 USD
A
Retailer 2
-
$514 AUD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$534 AUD
$375 USD
View
Retailer 4
-
$571 AUD
$401 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$571 AUD
$401 USD
View
A
Retailer 6
-
$790 AUD
$555 USD
View
B+
Retailer 7
-
$870 AUD
$611 USD
View
B+
Retailer 8
-
$912 AUD
€610 EUR
View
B+
Retailer 9
-
$927 AUD
$651 USD
View
B+
Retailer 10
-
$985 AUD
ZAR 11,173 ZAR
View
B+
Retailer 11
-
$1,020 AUD
£564 GBP
View
B+
Retailer 12
-
$1,394 AUD
$979 USD
View
B+
Retailer 13
-
$1,524 AUD
SGD 1,447 SGD
View
B
Retailer 14
-
$1,835 AUD
$1,289 USD
View
B
Retailer 15
-
$1,899 AUD
$1,334 USD
View
B
Retailer 16
-
$2,213 AUD
£1,224 GBP
View
B
Retailer 17
-
$2,260 AUD
$1,587 USD
View
B
Retailer 18
-
$2,289 AUD
£1,266 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 31
$3,815 AUD
$2,680 USD
View
18 more retailers have this diamond
Prices start from $460 AUDSave up to $3,355 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 Radiant
$460 AUD