Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG835649621

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

Certificate IGI LG835649621

Diamond specifications and retailer prices

From $299 AUD
$210 USD
As of November 1, 2026
Save $2,192 AUD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,491 AUD at Brilliant Earth · As of October 30, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835649621 or 835649621. Listed at 18 retailers as of October 30, 2026, with prices from $299 to $2,491, a $2,192 spread on the same certified stone. Brilliant Earth lists it at $2,491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649621
Dimensions7.78 × 5.29 × 3.55 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.29 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649621
Side View
Table 66.0%Crown 42°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

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 1
Current: $2,491 AUD|Low: $265 AUD|High: $2,719 AUD|Avg: $1,057 AUD|+2.3%
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
November 1, 2026
Retailer 6$299 AUD
Retailer 15$310 AUD
Retailer 12$378 AUD
Retailer 16$448 AUD
Retailer 2$572 AUD
Retailer 13$601 AUD
Retailer 14$619 AUD
Retailer 18$790 AUD
Retailer 9$824 AUD
Retailer 4$841 AUD
Retailer 17$1,069 AUD
Retailer 7$1,084 AUD
Retailer 3$1,112 AUD
Retailer 5$1,142 AUD
Retailer 10$1,333 AUD
Retailer 8$1,523 AUD
Retailer 11$1,549 AUD
Brilliant Earth$2,491 AUD

26 data points across 18 retailers

18 retailers$299 AUD to $2,491 AUD

A
Cheapest Retailer
-
$299 AUD
$210 USD
Final sale: no returns
A
Retailer 2
-
$310 AUD
$218 USD
View
A
Retailer 3
-
$378 AUD
£209 GBP
View
B+
Retailer 4
-
$448 AUD
$315 USD
View
A
Retailer 5
-
$572 AUD
ZAR 6,492 ZAR
View
A
Retailer 6
-
$601 AUD
£333 GBP
View
A
Retailer 7
-
$619 AUD
€414 EUR
View
A
Retailer 8
-
$790 AUD
$555 USD
View
Retailer 9
-
$824 AUD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$841 AUD
$591 USD
View
B+
Retailer 11
-
$1,069 AUD
$751 USD
View
B+
Retailer 12
-
$1,084 AUD
SGD 1,029 SGD
View
B+
Retailer 13
-
$1,112 AUD
$781 USD
View
B+
Retailer 14
-
$1,142 AUD
$802 USD
View
Retailer 15
-
$1,333 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
$1,523 AUD
$1,070 USD
View
Price last confirmed 14 days ago
B+
Retailer 17
-
$1,549 AUD
£857 GBP
View
Most Expensive
B
Brilliant Earth
21565343A · Oct 30
$2,491 AUD
$1,750 USD
View
17 more retailers have this diamond
Prices start from $299 AUDSave up to $2,192 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
$299 AUD