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Radiant|Lab Grown|IGI

1.23ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG743523333

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

Certificate IGI LG743523333

Diamond specifications and retailer prices

From $319 AUD
$224 USD
As of October 30, 2026
Save $2,742 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,061 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant 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 LG743523333 or 743523333. Listed at 21 retailers as of October 30, 2026, with prices from $319 to $3,061, a $2,742 spread on the same certified stone. Do Amore Diamonds lists it at $3,061. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743523333
Dimensions7.68 × 5.25 × 3.52 mm
L/W Ratio1.46
Culet sizePointed
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
7.68 mm5.25 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743523333
Side View
Table 63.0%Crown 42.1°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 67.0%

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 30
Current: $1,748 AUD|Low: $306 AUD|High: $2,121 AUD|Avg: $974 AUD
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
November 1, 2026
Retailer 14$319 AUD
Retailer 7$357 AUD
Retailer 3$370 AUD
Retailer 4$396 AUD
Retailer 15$396 AUD
Retailer 2$673 AUD
Retailer 6$740 AUD
Retailer 10$749 AUD
Retailer 9$822 AUD
Retailer 11$1,072 AUD
Retailer 13$1,276 AUD
Retailer 16$1,402 AUD
Retailer 8$1,646 AUD
Retailer 5$1,697 AUD
Retailer 1$1,748 AUD
Retailer 12$2,078 AUD

43 data points across 16 retailers

21 retailers$319 AUD to $3,061 AUD

A
Cheapest Retailer
-
$319 AUD
$224 USD
A
Retailer 2
-
$357 AUD
$251 USD
View
Final sale: no returns
A
Retailer 3
-
$370 AUD
$260 USD
View
Retailer 4
-
$396 AUD
$278 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$396 AUD
$278 USD
View
A
Retailer 6
-
$583 AUD
HK$3,200 HKD
View
A
Retailer 7
-
$673 AUD
$473 USD
View
A
Retailer 8
-
$740 AUD
$520 USD
View
A
Retailer 9
-
$749 AUD
ZAR 8,505 ZAR
View
A
Retailer 10
-
$822 AUD
£455 GBP
View
A
Retailer 11
-
$893 AUD
$627 USD
View
Retailer 12
-
$1,072 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,276 AUD
$896 USD
View
B+
Retailer 14
-
$1,402 AUD
$985 USD
View
B+
Retailer 15
-
$1,646 AUD
$1,156 USD
View
B+
Retailer 16
-
$1,692 AUD
£936 GBP
View
B+
Retailer 17
-
$1,697 AUD
SGD 1,611 SGD
View
B+
Retailer 18
-
$1,748 AUD
£967 GBP
View
B
Retailer 19
-
$1,807 AUD
$1,269 USD
View
Retailer 20
-
$2,078 AUD
$1,460 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-3C547B298 · Oct 31
$3,061 AUD
$2,150 USD
View
20 more retailers have this diamond
Prices start from $319 AUDSave up to $2,742 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 Radiant
$319 AUD