Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

VG • D/IF • IGI LG825655953

Shape and cutting style on the report: Princess cut

Certificate IGI LG825655953

Diamond specifications and retailer prices

From $711 USD
As of October 30, 2026
Save $2,579 USD (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,290 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825655953 or 825655953. Listed at 23 retailers as of October 30, 2026, with prices from $711 to $3,290, a $2,579 spread on the same certified stone. Brilliant Earth lists it at $3,290. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655953
Dimensions6.30 × 6.19 × 4.33 mm
L/W Ratio1.02
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
6.30 mm6.19 mm1.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655953
Side View
Table 67.0%Crown 43.5°Girdle: MediumPavilion 37.2°Culet: NoneDepth 70.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,290 USD|Low: $669 USD|High: $4,400 USD|Avg: $1,750 USD|-25.2%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 11$696 USD
Retailer 22$711 USD
Retailer 12$808 USD
Retailer 14$808 USD
Retailer 2$836 USD
Retailer 8$955 USD
Retailer 5$1,057 USD
Retailer 4$1,110 USD
Retailer 20$1,123 USD
Retailer 13$1,177 USD
Retailer 16$1,199 USD
Retailer 18$1,354 USD
Retailer 3$1,864 USD
Retailer 7$1,990 USD
Retailer 9$2,010 USD
Retailer 21$2,377 USD
Retailer 15$2,515 USD
Retailer 6$2,544 USD
Retailer 19$2,583 USD
Retailer 10$2,775 USD
Retailer 17$3,122 USD
Brilliant Earth$3,290 USD

26 data points across 22 retailers

23 retailers$711 USD to $3,290 USD

Retailer 1
-
$696 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$711 USD
View
Final sale: no returns
Retailer 3
-
$808 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$808 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$836 USD
£658 GBP
View
A
Retailer 6
-
$955 USD
View
A
Retailer 7
-
$1,057 USD
View
A
Retailer 8
-
$1,110 USD
View
A
Retailer 9
-
$1,123 USD
View
A
Retailer 10
-
$1,177 USD
£927 GBP
View
A
Retailer 11
-
$1,199 USD
€1,142 EUR
View
A
Retailer 12
-
$1,354 USD
ZAR 21,876 ZAR
View
B+
Retailer 13
-
$1,864 USD
View
B+
Retailer 14
-
$1,990 USD
View
Retailer 15
-
$2,010 USD
A$3,092 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
$2,271 USD
View
Price last confirmed 26 days ago
B+
Retailer 17
-
$2,377 USD
View
Retailer 18
-
$2,515 USD
£1,980 GBP
View
Price last confirmed 19 days ago
B+
Retailer 19
-
$2,544 USD
View
B+
Retailer 20
-
$2,583 USD
View
Retailer 21
-
$2,775 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
$3,122 USD
£2,458 GBP
View
Most Expensive
B
Brilliant Earth
21584068A · Oct 30
$3,290 USD
View
22 more retailers have this diamond
Prices start from $711 USDSave up to $2,579 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
1.51ct Princess
$711 USD