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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 $232 SGD
As of November 4, 2026
Save $1,219 SGD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,452 SGD 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 $232 to $1,452, a $1,219 spread on the same certified stone. Reve Diamonds lists it at $1,452. 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: $603 SGD|Low: $227 SGD|High: $1,467 SGD|Avg: $676 SGD|-0.4%
Retailer 1
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Retailer 20
Reve Diamonds
November 5, 2026
Retailer 17$232 SGD
Retailer 16$259 SGD
Retailer 2$270 SGD
Retailer 14$289 SGD
Retailer 11$327 SGD
Retailer 15$384 SGD
Retailer 8$485 SGD
Retailer 9$497 SGD
Retailer 20$510 SGD
Retailer 12$515 SGD
Retailer 1$603 SGD
Retailer 13$611 SGD
Retailer 4$736 SGD
Retailer 19$927 SGD
Retailer 10$932 SGD
Retailer 6$943 SGD
Retailer 5$962 SGD
Retailer 18$996 SGD
Retailer 3$1,111 SGD
Retailer 7$1,378 SGD
Reve Diamonds$1,452 SGD

30 data points across 21 retailers

21 retailers$232 SGD to $1,452 SGD

A
Cheapest Retailer
-
$232 SGD
A
Retailer 2
-
$259 SGD
View
Final sale: no returns
A
Retailer 3
-
$270 SGD
View
A
Retailer 4
-
$289 SGD
View
A
Retailer 5
-
$327 SGD
View
A
Retailer 6
-
$384 SGD
View
Retailer 7
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$485 SGD
View
Price last confirmed 9 days ago
Retailer 8
-
$497 SGD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$510 SGD
View
A
Retailer 10
-
$515 SGD
View
B+
Retailer 11
-
$603 SGD
View
Retailer 12
-
$611 SGD
View
Price last confirmed 10 days ago
B+
Retailer 13
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$736 SGD
View
B+
Retailer 14
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$927 SGD
View
Retailer 15
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$932 SGD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$943 SGD
View
B
Retailer 17
-
$962 SGD
View
B
Retailer 18
-
$996 SGD
View
B
Retailer 19
-
$1,111 SGD
View
Retailer 20
-
$1,378 SGD
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
112672E73 · Nov 4
$1,452 SGD
$1,137 USD
View
20 more retailers have this diamond
Prices start from $232 SGDSave up to $1,219 SGD

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
$232 SGD