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Round|Lab Grown|IGI

1.23ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG778645793

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645793

Diamond specifications and retailer prices

From $305 AUD
$214 USD
As of November 1, 2026
Save $2,884 AUD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,189 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG778645793 or 778645793. Listed at 24 retailers as of October 27, 2026, with prices from $305 to $3,189, a $2,884 spread on the same certified stone. Queensmith lists it at $3,189. 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 angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645793
Dimensions6.87 × 6.91 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.87 mm6.91 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645793
Side View
Table 56.0%Crown 34.2°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.0%

Caratlytics Score

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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: $653 AUD|Low: $293 AUD|High: $1,533 AUD|Avg: $743 AUD|+1.7%
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
November 1, 2026
Retailer 2$305 AUD
Retailer 9$340 AUD
Retailer 4$378 AUD
Retailer 3$511 AUD
Retailer 6$600 AUD
Retailer 1$653 AUD
Retailer 8$688 AUD
Retailer 7$698 AUD
Retailer 5$725 AUD
Retailer 10$924 AUD
Retailer 13$979 AUD
Retailer 12$1,163 AUD
Retailer 11$1,524 AUD

39 data points across 13 retailers

24 retailers$305 AUD to $3,189 AUD

A
Cheapest Retailer
-
$305 AUD
$214 USD
A
Retailer 2
-
$340 AUD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
$354 AUD
$248 USD
View
Retailer 4
-
$378 AUD
$265 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$378 AUD
$265 USD
View
A
Retailer 6
-
$420 AUD
HK$2,300 HKD
View
B+
Retailer 7
-
$511 AUD
$358 USD
View
A
Retailer 8
-
$600 AUD
£331 GBP
View
A
Retailer 9
-
$653 AUD
ZAR 7,392 ZAR
View
B+
Retailer 10
-
$688 AUD
€459 EUR
View
B+
Retailer 11
-
$698 AUD
£385 GBP
View
B+
Retailer 12
-
$701 AUD
$491 USD
View
B+
Retailer 13
-
$725 AUD
$508 USD
View
B+
Retailer 14
-
$924 AUD
View
B+
Retailer 15
-
$979 AUD
$686 USD
View
Retailer 16
-
$1,109 AUD
$777 USD
View
Price last confirmed 32 days ago
Retailer 17
-
$1,163 AUD
$815 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,216 AUD
$852 USD
View
B
Retailer 19
-
$1,228 AUD
SGD 1,163 SGD
View
B
Retailer 20
-
$1,291 AUD
$905 USD
View
B
Retailer 21
-
$1,296 AUD
$908 USD
View
B
Retailer 22
-
$1,524 AUD
£841 GBP
View
B
Retailer 23
-
$1,766 AUD
$1,237 USD
View
Most Expensive
B
Queensmith
LG778645793 · Oct 27
$3,189 AUD
£1,760 GBP
View
23 more retailers have this diamond
Prices start from $305 AUDSave up to $2,884 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
$305 AUD