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Princess|Lab Grown|IGI

1.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG674551404

Shape and cutting style on the report: Princess cut

Certificate IGI LG674551404

Diamond specifications and retailer prices

From $655 SGD
$512 USD
As of October 30, 2026
Save $980 SGD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,635 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess 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 LG674551404 or 674551404. Listed at 9 retailers as of October 29, 2026, with prices from $655 to $1,635, a $980 spread on the same certified stone. MOH London lists it at $1,635. 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 angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551404
Dimensions6.34 × 6.17 × 4.47 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm6.17 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551404
Side View
Table 66.0%Crown 36.7°Girdle: ThinPavilion 39.5°Culet: NoneDepth 72.4%

Caratlytics Score

How it works →
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: Oct 30
Current: $1,635 SGD|Low: $647 SGD|High: $1,803 SGD|Avg: $1,020 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$655 SGD
Retailer 4$678 SGD
Retailer 6$679 SGD
Retailer 7$741 SGD
Retailer 2$768 SGD
Retailer 5$1,062 SGD
Retailer 9$1,370 SGD
Retailer 3$1,496 SGD
MOH London$1,635 SGD

43 data points across 9 retailers

9 retailers$655 SGD to $1,635 SGD

A
Cheapest Retailer
-
$655 SGD
$512 USD
A
Retailer 2
-
$678 SGD
€505 EUR
View
B+
Retailer 3
-
$679 SGD
$531 USD
View
B+
Retailer 4
-
$741 SGD
$580 USD
View
B+
Retailer 5
-
$768 SGD
£473 GBP
View
B
Retailer 6
-
$1,062 SGD
$831 USD
View
B
Retailer 7
-
$1,370 SGD
$1,072 USD
View
B
Retailer 8
-
$1,496 SGD
$1,170 USD
View
Most Expensive
B
MOH London
LG674551404 · Oct 29
$1,635 SGD
£1,007 GBP
View
8 more retailers have this diamond
Prices start from $655 SGDSave up to $980 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 Princess
$655 SGD