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Princess|Lab Grown|IGI

1.12ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG533278031

Shape and cutting style on the report: Princess cut

Certificate IGI LG533278031

Diamond specifications and retailer prices

From $314 USD
£247 GBP
As of October 30, 2026
Save $536 USD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $850 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.12ct lab-grown princess diamond

This 1.12ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533278031 or 533278031. Listed at 4 retailers as of October 26, 2026, with prices from $314 to $850, a $536 spread on the same certified stone. MOH London lists it at $850. 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

1.12
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533278031
Dimensions5.71 × 5.70 × 4.08 mm
L/W Ratio1.00
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.71 mm5.70 mm1.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG533278031
Side View
Table 71.0%Crown 40.5°Girdle: MediumPavilion 39.6°Culet: NoneDepth 71.6%

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: $850 USD|Low: $245 USD|High: $1,300 USD|Avg: $813 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$314 USD
Retailer 3$335 USD
Retailer 4$379 USD
MOH London$850 USD
Retailer 5$1,180 USD
Retailer 6$1,300 USD
Retailer 7$1,300 USD

34 data points across 7 retailers

4 retailers$314 USD to $850 USD

A
Cheapest Retailer
-
$314 USD
£247 GBP
B+
Retailer 2
-
$335 USD
View
B+
Retailer 3
-
$379 USD
View
Most Expensive
B
MOH London
LG533278031 · Oct 26
$850 USD
£669 GBP
View
3 more retailers have this diamond
Prices start from $314 USDSave up to $536 USD

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
1.12ct Princess
$314 USD