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Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG622490937

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

Certificate IGI LG622490937

Diamond specifications and retailer prices

From $278 AUD
$195 USD
As of October 30, 2026
Save $1,445 AUD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,723 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG622490937 or 622490937. Listed at 22 retailers as of October 29, 2026, with prices from $278 to $1,723, a $1,445 spread on the same certified stone. Brilliant Earth lists it at $1,723. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622490937
Dimensions7.44 × 5.45 × 3.48 mm
L/W Ratio1.37
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
7.44 mm5.45 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622490937
Side View
Table 62.0%Crown 47.4°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,723 AUD|Low: $266 AUD|High: $1,723 AUD|Avg: $831 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 20$278 AUD
Retailer 11$310 AUD
Retailer 3$345 AUD
Retailer 8$345 AUD
Retailer 2$423 AUD
Retailer 6$467 AUD
Retailer 18$564 AUD
Retailer 16$592 AUD
Retailer 13$629 AUD
Retailer 9$695 AUD
Retailer 5$810 AUD
Retailer 17$840 AUD
Retailer 19$884 AUD
Retailer 4$1,108 AUD
Retailer 7$1,140 AUD
Retailer 12$1,184 AUD
Retailer 15$1,211 AUD
Retailer 14$1,620 AUD
Retailer 10$1,677 AUD
Brilliant Earth$1,723 AUD

39 data points across 20 retailers

22 retailers$278 AUD to $1,723 AUD

A
Cheapest Retailer
-
$278 AUD
$195 USD
A
Retailer 2
-
$310 AUD
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$322 AUD
$226 USD
View
A
Retailer 4
-
$345 AUD
$242 USD
View
A
Retailer 5
-
$345 AUD
$242 USD
View
A
Retailer 6
-
$423 AUD
£234 GBP
View
B+
Retailer 7
-
$467 AUD
$328 USD
View
A
Retailer 8
-
$564 AUD
€377 EUR
View
A
Retailer 9
-
$592 AUD
ZAR 6,713 ZAR
View
A
Retailer 10
-
$629 AUD
£348 GBP
View
A
Retailer 11
-
$695 AUD
$488 USD
View
Retailer 12
-
$750 AUD
$527 USD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
$810 AUD
$569 USD
View
A
Retailer 14
-
$840 AUD
View
B+
Retailer 15
-
$884 AUD
$621 USD
View
B+
Retailer 16
-
$1,108 AUD
$778 USD
View
B+
Retailer 17
-
$1,163 AUD
$817 USD
View
B+
Retailer 18
-
$1,184 AUD
$832 USD
View
B+
Retailer 19
-
$1,211 AUD
View
B
Retailer 20
-
$1,620 AUD
£896 GBP
View
B
Retailer 21
-
$1,677 AUD
$1,178 USD
View
Most Expensive
B
Brilliant Earth
9399427A · Oct 29
$1,723 AUD
$1,210 USD
View
21 more retailers have this diamond
Prices start from $278 AUDSave up to $1,445 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
$278 AUD