Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG669437829

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669437829

Diamond specifications and retailer prices

From $281 AUD
$197 USD
As of November 1, 2026
Save $1,350 AUD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,631 AUD at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

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 LG669437829 or 669437829. Listed at 25 retailers as of November 1, 2026, with prices from $281 to $1,631, a $1,350 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,631. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669437829
Dimensions6.88 × 6.85 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.85 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669437829
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.4%

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: $1,631 AUD|Low: $238 AUD|High: $1,631 AUD|Avg: $742 AUD
Flawless Fine Jewelry
Retailer 2
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Retailer 23
November 3, 2026
Retailer 6$253 AUD
Retailer 22$281 AUD
Retailer 23$294 AUD
Retailer 12$314 AUD
Retailer 15$314 AUD
Retailer 13$532 AUD
Retailer 18$541 AUD
Retailer 7$558 AUD
Retailer 2$562 AUD
Retailer 5$571 AUD
Retailer 21$581 AUD
Retailer 10$668 AUD
Retailer 4$712 AUD
Retailer 16$749 AUD
Retailer 17$765 AUD
Retailer 9$1,009 AUD
Retailer 14$1,062 AUD
Retailer 3$1,064 AUD
Retailer 11$1,086 AUD
Retailer 20$1,270 AUD
Retailer 19$1,466 AUD
Retailer 8$1,600 AUD
Flawless Fine Jewelry$1,631 AUD

36 data points across 23 retailers

25 retailers$281 AUD to $1,631 AUD

Retailer 1
-
$248 AUD
$174 USD
Price last confirmed 42 days ago
Retailer 2
-
$253 AUD
$177 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$281 AUD
$197 USD
View
Final sale: no returns
Retailer 4
-
$287 AUD
$201 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$294 AUD
$206 USD
View
Retailer 6
-
$304 AUD
$213 USD
View
Price last confirmed 42 days ago
Retailer 7
-
$314 AUD
$220 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$314 AUD
$220 USD
View
A
Retailer 9
-
$532 AUD
£294 GBP
View
A
Retailer 10
-
$541 AUD
ZAR 6,129 ZAR
View
A
Retailer 11
-
$558 AUD
$391 USD
View
A
Retailer 12
-
$562 AUD
£310 GBP
View
A
Retailer 13
-
$571 AUD
$400 USD
View
B+
Retailer 14
-
$581 AUD
€388 EUR
View
B+
Retailer 15
-
$668 AUD
$468 USD
View
B+
Retailer 16
-
$712 AUD
View
B+
Retailer 17
-
$765 AUD
View
B
Retailer 18
-
$1,009 AUD
$707 USD
View
B
Retailer 19
-
$1,062 AUD
$744 USD
View
B
Retailer 20
-
$1,064 AUD
$746 USD
View
B
Retailer 21
-
$1,086 AUD
$761 USD
View
B
Retailer 22
-
$1,270 AUD
$890 USD
View
B
Retailer 23
-
$1,466 AUD
£809 GBP
View
B
Retailer 24
-
$1,600 AUD
$1,121 USD
View
Most Expensive
B
Flawless Fine Jewelry
D52129277 · Nov 3
$1,631 AUD
£900 GBP
View
24 more retailers have this diamond
Prices start from $281 AUDSave up to $1,350 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
$281 AUD