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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG760580811

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG760580811

Diamond specifications and retailer prices

From $778 SGD
As of November 4, 2026
Save $333 SGD (30%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,784 SGD at Yadav Diamonds · As of October 16, 2026
View at Yadav 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 top-tier cut grade and certified by IGI LG760580811 or 760580811. Listed at 15 retailers as of November 4, 2026, with a 43% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760580811
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760580811
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $778 SGD|Low: $303 SGD|High: $2,606 SGD|Avg: $1,013 SGD
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
Retailer 14
Retailer 15
Yadav Diamonds
November 1, 2026
Retailer 3$303 SGD
Retailer 4$452 SGD
Retailer 7$479 SGD
Retailer 10$631 SGD
Retailer 9$682 SGD
Retailer 2$743 SGD
Retailer 1$778 SGD
Retailer 15$900 SGD
Retailer 13$926 SGD
Retailer 14$1,068 SGD
Retailer 8$1,083 SGD
Retailer 12$1,111 SGD
Retailer 6$1,410 SGD
Retailer 11$1,503 SGD
Yadav Diamonds$1,784 SGD
Retailer 5$2,606 SGD

27 data points across 16 retailers

15 retailers$778 SGD to $1,111 SGD

Retailer 1
-
$271 SGD
Price last confirmed 28 days ago
Retailer 2
-
$314 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
$336 SGD
View
Price last confirmed 20 days ago
Retailer 4
-
$336 SGD
View
Price last confirmed 33 days ago
Retailer 5
-
$452 SGD
View
Price last confirmed 20 days ago
Retailer 6
-
$631 SGD
View
Price last confirmed 23 days ago
Retailer 7
-
$682 SGD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$778 SGD
View
Retailer 9
-
$926 SGD
View
Price last confirmed 22 days ago
Retailer 10
-
$1,068 SGD
View
Price last confirmed 34 days ago
B
Retailer 11
-
$1,111 SGD
View
Retailer 12
-
$1,192 SGD
View
Price last confirmed 36 days ago
Retailer 13
-
$1,410 SGD
View
Price last confirmed 21 days ago
Retailer 14
-
$1,503 SGD
View
Price last confirmed 25 days ago
Most Expensive
Yadav Diamonds
13264118 · Oct 16
$1,784 SGD
$1,397 USD
View
Price last confirmed 20 days ago
14 more retailers have this diamond
Prices start from $778 SGDSave up to $333 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.

B+
1.23ct Marquise
$778 SGD