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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG840664752

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840664752

Diamond specifications and retailer prices

From $259 AUD
As of November 4, 2026
Save $1,361 AUD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,620 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG840664752 or 840664752. Listed at 21 retailers as of November 4, 2026, with prices from $259 to $1,620, a $1,361 spread on the same certified stone. Reve Diamonds lists it at $1,620. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840664752
Dimensions10.81 × 5.57 × 3.52 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm5.57 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840664752
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

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 4
Current: $429 AUD|Low: $254 AUD|High: $1,637 AUD|Avg: $754 AUD|-3.2%
Retailer 1
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Retailer 20
Reve Diamonds
November 4, 2026
Retailer 14$259 AUD
Retailer 12$289 AUD
Retailer 18$301 AUD
Retailer 9$328 AUD
Retailer 10$365 AUD
Retailer 1$429 AUD
Retailer 6$542 AUD
Retailer 7$555 AUD
Retailer 17$569 AUD
Retailer 19$574 AUD
Retailer 13$676 AUD
Retailer 11$681 AUD
Retailer 2$821 AUD
Retailer 16$1,035 AUD
Retailer 8$1,041 AUD
Retailer 4$1,052 AUD
Retailer 3$1,073 AUD
Retailer 15$1,112 AUD
Retailer 20$1,240 AUD
Retailer 5$1,538 AUD
Reve Diamonds$1,620 AUD

29 data points across 21 retailers

21 retailers$259 AUD to $1,620 AUD

A
Cheapest Retailer
-
$259 AUD
A
Retailer 2
-
$289 AUD
View
Final sale: no returns
A
Retailer 3
-
$301 AUD
View
Retailer 4
-
$328 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$365 AUD
View
A
Retailer 6
-
$429 AUD
View
Retailer 7
-
$542 AUD
View
Price last confirmed 8 days ago
Retailer 8
-
$555 AUD
View
Price last confirmed 12 days ago
A
Retailer 9
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$569 AUD
View
A
Retailer 10
-
$574 AUD
View
Retailer 11
-
$676 AUD
View
Price last confirmed 8 days ago
Retailer 12
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$681 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
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$821 AUD
View
B+
Retailer 14
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$1,035 AUD
View
Retailer 15
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$1,041 AUD
View
Price last confirmed 7 days ago
B
Retailer 16
-
$1,052 AUD
View
B
Retailer 17
-
$1,073 AUD
View
B
Retailer 18
-
$1,112 AUD
View
B
Retailer 19
-
$1,240 AUD
View
Retailer 20
-
$1,538 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Reve Diamonds
112672E73 · Nov 4
$1,620 AUD
$1,137 USD
View
20 more retailers have this diamond
Prices start from $259 AUDSave up to $1,361 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 Marquise
$259 AUD