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Round|Lab Grown|IGI

1.23ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG794602614

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794602614

Diamond specifications and retailer prices

From $346 AUD
As of November 6, 2026
Save $454 AUD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,465 AUD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct 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 LG794602614 or 794602614. Listed at 21 retailers as of November 2, 2026, with a 131% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.23
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794602614
Dimensions6.84 × 6.91 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.91 mm1.23 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG794602614
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

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 6
Current: $445 AUD|Low: $224 AUD|High: $1,543 AUD|Avg: $642 AUD|-5.3%
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
Reve Diamonds
November 6, 2026
Retailer 4$230 AUD
Retailer 14$230 AUD
Retailer 6$268 AUD
Retailer 5$285 AUD
Retailer 3$346 AUD
Retailer 10$434 AUD
Retailer 1$445 AUD
Retailer 8$556 AUD
Retailer 13$626 AUD
Retailer 7$648 AUD
Retailer 12$734 AUD
Retailer 9$800 AUD
Retailer 2$901 AUD
Retailer 11$1,195 AUD
Reve Diamonds$1,465 AUD

38 data points across 15 retailers

21 retailers$346 AUD to $800 AUD

Retailer 1
-
$201 AUD
Price last confirmed 23 days ago
Retailer 2
-
$205 AUD
View
Price last confirmed 11 days ago
Retailer 3
-
$230 AUD
View
Price last confirmed 27 days ago
Retailer 4
-
$239 AUD
View
Price last confirmed 7 days ago
Retailer 5
-
$249 AUD
View
Price last confirmed 23 days ago
Retailer 6
-
$268 AUD
View
Price last confirmed 28 days ago
Retailer 7
-
$285 AUD
View
Price last confirmed 35 days ago
B+
Retailer 8
-
$346 AUD
View
Retailer 9
-
$434 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$445 AUD
View
B+
Retailer 11
-
$556 AUD
View
B+
Retailer 12
-
$607 AUD
View
Retailer 13
-
$626 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$648 AUD
View
Retailer 15
-
$734 AUD
View
Price last confirmed 11 days ago
Retailer 16
-
$799 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$800 AUD
View
Retailer 18
-
$901 AUD
View
Price last confirmed 10 days ago
Retailer 19
-
$918 AUD
View
Price last confirmed 37 days ago
Retailer 20
-
$1,195 AUD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
4FD743642 · Oct 25
$1,465 AUD
$1,007 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from $346 AUDSave up to $454 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
1.23ct Round
$346 AUD