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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811623859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811623859

Diamond specifications and retailer prices

From $231 AUD
As of November 5, 2026
Save $1,298 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,530 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811623859 or 811623859. Listed at 22 retailers as of November 5, 2026, with prices from $231 to $1,530, a $1,298 spread on the same certified stone. Reve Diamonds lists it at $1,530. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811623859
Dimensions6.48 × 6.43 × 4.04 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
6.48 mm6.43 mm1.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811623859
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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 5
Current: $516 AUD|Low: $229 AUD|High: $1,530 AUD|Avg: $625 AUD|+2.3%
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
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 7$231 AUD
Retailer 2$259 AUD
Retailer 15$267 AUD
Retailer 3$286 AUD
Retailer 5$286 AUD
Retailer 16$411 AUD
Retailer 12$457 AUD
Retailer 10$499 AUD
Retailer 1$516 AUD
Retailer 4$517 AUD
Retailer 17$633 AUD
Retailer 9$666 AUD
Retailer 13$751 AUD
Retailer 11$843 AUD
Retailer 8$920 AUD
Retailer 6$997 AUD
Retailer 14$1,336 AUD
Reve Diamonds$1,530 AUD

45 data points across 18 retailers

22 retailers$231 AUD to $1,530 AUD

Retailer 1
-
$229 AUD
Price last confirmed 45 days ago
A
Retailer 2
-
$231 AUD
View
A
Retailer 3
-
$259 AUD
View
Final sale: no returns
A
Retailer 4
-
$267 AUD
View
Retailer 5
-
$267 AUD
View
Price last confirmed 66 days ago
Retailer 6
-
$280 AUD
View
Price last confirmed 45 days ago
Retailer 7
-
$286 AUD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$286 AUD
View
A
Retailer 9
-
$411 AUD
View
A
Retailer 10
-
$457 AUD
View
B+
Retailer 11
-
$499 AUD
View
B+
Retailer 12
-
$516 AUD
View
B+
Retailer 13
-
$517 AUD
View
B+
Retailer 14
-
$633 AUD
View
B
Retailer 15
-
$666 AUD
View
B
Retailer 16
-
$751 AUD
View
B
Retailer 17
-
$843 AUD
View
Retailer 18
-
$913 AUD
View
Price last confirmed 46 days ago
B
Retailer 19
-
$920 AUD
View
B
Retailer 20
-
$997 AUD
View
B
Retailer 21
-
$1,336 AUD
View
Most Expensive
B
Reve Diamonds
DFF352A92 · Nov 6
$1,530 AUD
$1,071 USD
View
21 more retailers have this diamond
Prices start from $231 AUDSave up to $1,298 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
$231 AUD