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Marquise|Lab Grown|IGI

1.38ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG818689035

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818689035

Diamond specifications and retailer prices

From $339 SGD
$265 USD
As of November 1, 2026
Save $1,170 SGD (78%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,857 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.38ct lab-grown marquise diamond

This 1.38ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818689035 or 818689035. Listed at 26 retailers as of November 1, 2026, with a 345% 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

1.38
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818689035
Dimensions11.97 × 5.76 × 3.58 mm
L/W Ratio2.08
Girdle conditionFaceted
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
11.97 mm5.76 mm1.38 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818689035
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.2%

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 1
Current: $650 SGD|Low: $288 SGD|High: $1,675 SGD|Avg: $849 SGD|+2.6%
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
Retailer 16
November 1, 2026
Retailer 8$288 SGD
Retailer 4$339 SGD
Retailer 16$376 SGD
Retailer 14$626 SGD
Retailer 3$635 SGD
Retailer 1$650 SGD
Retailer 12$671 SGD
Retailer 10$712 SGD
Retailer 2$758 SGD
Retailer 15$917 SGD
Retailer 11$933 SGD
Retailer 7$1,208 SGD
Retailer 5$1,209 SGD
Retailer 13$1,266 SGD
Retailer 6$1,276 SGD
Retailer 9$1,508 SGD

39 data points across 16 retailers

26 retailers$339 SGD to $1,508 SGD

Retailer 1
-
$288 SGD
$225 USD
Price last confirmed 30 days ago
Retailer 2
-
$298 SGD
$233 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$339 SGD
$265 USD
View
Final sale: no returns
Retailer 4
-
$348 SGD
$272 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$367 SGD
$287 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$369 SGD
$289 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$376 SGD
$294 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$376 SGD
$294 USD
View
A
Retailer 9
-
$626 SGD
€466 EUR
View
A
Retailer 10
-
$635 SGD
$497 USD
View
A
Retailer 11
-
$650 SGD
ZAR 8,208 ZAR
View
A
Retailer 12
-
$671 SGD
A$808 AUD
View
A
Retailer 13
-
$712 SGD
£438 GBP
View
A
Retailer 14
-
$758 SGD
$593 USD
View
B+
Retailer 15
-
$917 SGD
A$1,104 AUD
View
B+
Retailer 16
-
$933 SGD
$730 USD
View
B+
Retailer 17
-
$952 SGD
$745 USD
View
Retailer 18
-
$1,124 SGD
A$1,353 AUD
View
Price last confirmed 80 days ago
Retailer 19
-
$1,194 SGD
$934 USD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
$1,208 SGD
$945 USD
View
B
Retailer 21
-
$1,209 SGD
$946 USD
View
B
Retailer 22
-
$1,209 SGD
$946 USD
View
B
Retailer 23
-
$1,266 SGD
$990 USD
View
B
Retailer 24
-
$1,276 SGD
$998 USD
View
B
Retailer 25
-
$1,508 SGD
£929 GBP
View
Most Expensive
Queensmith
LG818689035 · Oct 27
$2,857 SGD
£1,760 GBP
View
Price under review
25 more retailers have this diamond
Prices start from $339 SGDSave up to $1,170 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
1.38ct Marquise
$339 SGD