Princess|Lab Grown|IGI

1.06ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG739579978

Shape and cutting style on the report: Princess cut

Certificate IGI LG739579978

Diamond specifications and retailer prices

From $182 USD
As of October 30, 2026
Save $953 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,135 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.06ct lab-grown princess diamond

This 1.06ct 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 LG739579978 or 739579978. Listed at 16 retailers as of October 30, 2026, with prices from $182 to $1,135, a $953 spread on the same certified stone. Reve Diamonds lists it at $1,135. 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

1.06
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739579978
Dimensions5.65 × 5.57 × 3.83 mm
L/W Ratio1.01
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
5.65 mm5.57 mm1.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739579978
Side View
Table 71.0%Crown 43.1°Girdle: MediumPavilion 37.1°Culet: NoneDepth 68.8%

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: $406 USD|Low: $143 USD|High: $1,135 USD|Avg: $536 USD|+5.4%
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
Reve Diamonds
October 30, 2026
Retailer 3$182 USD
Retailer 4$203 USD
Retailer 10$211 USD
Retailer 6$225 USD
Retailer 15$225 USD
Retailer 11$358 USD
Retailer 12$397 USD
Retailer 1$406 USD
Retailer 8$433 USD
Retailer 13$466 USD
Retailer 14$597 USD
Retailer 7$670 USD
Retailer 2$724 USD
Retailer 5$778 USD
Retailer 9$1,058 USD
Reve Diamonds$1,135 USD

43 data points across 16 retailers

16 retailers$182 USD to $1,135 USD

A
Cheapest Retailer
-
$182 USD
A
Retailer 2
-
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$211 USD
View
A
Retailer 4
-
$225 USD
View
A
Retailer 5
-
$225 USD
View
B+
Retailer 6
-
$358 USD
View
B+
Retailer 7
-
$397 USD
View
B+
Retailer 8
-
$406 USD
£320 GBP
View
B+
Retailer 9
-
$433 USD
€412 EUR
View
B+
Retailer 10
-
$466 USD
View
B
Retailer 11
-
$597 USD
View
B
Retailer 12
-
$670 USD
View
B
Retailer 13
-
$724 USD
View
B
Retailer 14
-
$778 USD
View
B
Retailer 15
-
$1,058 USD
£833 GBP
View
Most Expensive
B
Reve Diamonds
F54516897 · Oct 30
$1,135 USD
View
15 more retailers have this diamond
Prices start from $182 USDSave up to $953 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
1.06ct Princess
$182 USD