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Marquise|Lab Grown|IGI

1.51ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG567351529

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG567351529

Diamond specifications and retailer prices

From $339 SGD
$265 USD
As of November 2, 2026
Save $1,346 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,685 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567351529 or 567351529. Listed at 18 retailers as of November 1, 2026, with prices from $339 to $1,685, a $1,346 spread on the same certified stone. MOH London lists it at $1,685. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567351529
Dimensions11.69 × 6.00 × 3.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
11.69 mm6.00 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567351529
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.5%

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 2
Current: $1,685 SGD|Low: $339 SGD|High: $2,340 SGD|Avg: $956 SGD|-27.9%
MOH London
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 15$339 SGD
Retailer 13$394 SGD
Retailer 3$398 SGD
Retailer 14$421 SGD
Retailer 5$491 SGD
Retailer 4$594 SGD
Retailer 11$626 SGD
Retailer 7$658 SGD
Retailer 12$699 SGD
Retailer 18$756 SGD
Retailer 2$799 SGD
Retailer 8$934 SGD
Retailer 17$1,291 SGD
Retailer 16$1,351 SGD
Retailer 9$1,420 SGD
Retailer 10$1,457 SGD
Retailer 6$1,675 SGD
MOH London$1,685 SGD

42 data points across 18 retailers

18 retailers$339 SGD to $1,685 SGD

A
Cheapest Retailer
-
$339 SGD
$265 USD
A
Retailer 2
-
$394 SGD
$308 USD
View
A
Retailer 3
-
$398 SGD
$311 USD
View
Final sale: no returns
A
Retailer 4
-
$421 SGD
$329 USD
View
A
Retailer 5
-
$491 SGD
HK$3,000 HKD
View
A
Retailer 6
-
$594 SGD
$465 USD
View
A
Retailer 7
-
$626 SGD
$490 USD
View
A
Retailer 8
-
$658 SGD
$515 USD
View
A
Retailer 9
-
$699 SGD
€521 EUR
View
B+
Retailer 10
-
$756 SGD
$591 USD
View
Retailer 11
-
$785 SGD
£484 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$799 SGD
£492 GBP
View
Retailer 13
-
$934 SGD
$731 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$1,291 SGD
$1,010 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$1,351 SGD
$1,057 USD
View
B
Retailer 16
-
$1,420 SGD
View
B
Retailer 17
-
$1,675 SGD
$1,310 USD
View
Most Expensive
B
MOH London
LG567351529 · Nov 1
$1,685 SGD
£1,038 GBP
View
17 more retailers have this diamond
Prices start from $339 SGDSave up to $1,346 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
1.51ct Marquise
$339 SGD