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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG816645863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816645863

Diamond specifications and retailer prices

From $297 AUD
$209 USD
As of October 28, 2026
Save $2,484 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,781 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816645863 or 816645863. Listed at 23 retailers as of October 27, 2026, with prices from $297 to $2,781, a $2,484 spread on the same certified stone. Queensmith lists it at $2,781. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816645863
Dimensions6.49 × 6.44 × 4.02 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
6.49 mm6.44 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816645863
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

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A+
Exceptional
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 28
Current: $560 AUD|Low: $290 AUD|High: $1,877 AUD|Avg: $820 AUD|+1.6%
Retailer 1
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
October 29, 2026
Retailer 3$297 AUD
Retailer 8$534 AUD
Retailer 1$560 AUD
Retailer 10$565 AUD
Retailer 2$577 AUD
Retailer 9$591 AUD
Retailer 14$670 AUD
Retailer 15$684 AUD
Retailer 6$710 AUD
Retailer 12$803 AUD
Retailer 13$1,062 AUD
Retailer 11$1,098 AUD
Retailer 4$1,135 AUD
Retailer 5$1,520 AUD
Retailer 7$1,877 AUD

35 data points across 15 retailers

23 retailers$297 AUD to $2,781 AUD

A+
Retailer 1
-
$252 AUD
$177 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$297 AUD
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$303 AUD
$213 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$304 AUD
$214 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$321 AUD
$226 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$324 AUD
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$534 AUD
£296 GBP
View
A
Retailer 8
-
$560 AUD
€375 EUR
View
A
Retailer 9
-
$565 AUD
ZAR 6,420 ZAR
View
A
Retailer 10
-
$577 AUD
$406 USD
View
A
Retailer 11
-
$591 AUD
£327 GBP
View
A
Retailer 12
-
$670 AUD
$471 USD
View
A
Retailer 13
-
$684 AUD
$481 USD
View
A
Retailer 14
-
$710 AUD
View
B+
Retailer 15
-
$803 AUD
View
B+
Retailer 16
-
$847 AUD
$596 USD
View
B+
Retailer 17
-
$1,045 AUD
$735 USD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$1,062 AUD
$747 USD
View
B+
Retailer 19
-
$1,098 AUD
View
B+
Retailer 20
-
$1,135 AUD
$798 USD
View
B+
Retailer 21
-
$1,520 AUD
£842 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
$1,877 AUD
$1,320 USD
View
Most Expensive
B
Queensmith
LG816645863 · Oct 27
$2,781 AUD
£1,540 GBP
View
22 more retailers have this diamond
Prices start from $297 AUDSave up to $2,484 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
$297 AUD