CaratHunter
Plans
Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG781618294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618294

Diamond specifications and retailer prices

From $301 AUD
$211 USD
As of November 3, 2026
Save $2,743 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,044 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781618294 or 781618294. Listed at 22 retailers as of October 27, 2026, with prices from $301 to $3,044, a $2,743 spread on the same certified stone. Queensmith lists it at $3,044. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618294
Dimensions6.85 × 6.89 × 4.22 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
6.85 mm6.89 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618294
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

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: Nov 3
Current: $602 AUD|Low: $260 AUD|High: $1,587 AUD|Avg: $611 AUD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 12$271 AUD
Retailer 11$301 AUD
Retailer 2$335 AUD
Retailer 4$335 AUD
Retailer 3$454 AUD
Retailer 9$569 AUD
Retailer 10$579 AUD
Retailer 1$602 AUD
Retailer 8$620 AUD
Retailer 7$818 AUD
Retailer 6$869 AUD
Retailer 5$1,568 AUD

38 data points across 12 retailers

22 retailers$301 AUD to $3,044 AUD

Retailer 1
-
$271 AUD
$190 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$301 AUD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$314 AUD
$220 USD
View
A
Retailer 4
-
$335 AUD
$235 USD
View
Retailer 5
-
$335 AUD
$235 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$384 AUD
HK$2,100 HKD
View
B+
Retailer 7
-
$454 AUD
$318 USD
View
A
Retailer 8
-
$569 AUD
£314 GBP
View
A
Retailer 9
-
$576 AUD
$404 USD
View
A
Retailer 10
-
$579 AUD
ZAR 6,556 ZAR
View
A
Retailer 11
-
$602 AUD
£332 GBP
View
B+
Retailer 12
-
$620 AUD
€414 EUR
View
B+
Retailer 13
-
$688 AUD
$482 USD
View
B+
Retailer 14
-
$818 AUD
View
B+
Retailer 15
-
$869 AUD
$609 USD
View
B+
Retailer 16
-
$1,079 AUD
$756 USD
View
B
Retailer 17
-
$1,095 AUD
SGD 1,037 SGD
View
B
Retailer 18
-
$1,127 AUD
$790 USD
View
B
Retailer 19
-
$1,155 AUD
$810 USD
View
B
Retailer 20
-
$1,568 AUD
£865 GBP
View
B
Retailer 21
-
$1,656 AUD
$1,160 USD
View
Most Expensive
B
Queensmith
LG781618294 · Oct 27
$3,044 AUD
£1,680 GBP
View
21 more retailers have this diamond
Prices start from $301 AUDSave up to $2,743 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
$301 AUD