Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

GD • D/IF • IGI LG728558590

Shape and cutting style on the report: Princess cut

Certificate IGI LG728558590

Diamond specifications and retailer prices

From $606 USD
As of October 30, 2026
Save $4,774 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,380 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 standard cut grade and certified by IGI LG728558590 or 728558590. Listed at 18 retailers as of October 30, 2026, with prices from $606 to $5,380, a $4,774 spread on the same certified stone. Do Amore Diamonds lists it at $5,380. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728558590
Dimensions6.31 × 6.29 × 4.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.31 mm6.29 mm1.51 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728558590
Side View
Table 71.0%Crown 43.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 69.0%

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: Oct 30
Current: $5,380 USD|Low: $606 USD|High: $6,350 USD|Avg: $1,965 USD|-15.3%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 31, 2026
Retailer 8$606 USD
Retailer 15$678 USD
Retailer 16$796 USD
Retailer 10$801 USD
Retailer 3$870 USD
Retailer 11$880 USD
Retailer 4$978 USD
Retailer 17$992 USD
Retailer 13$1,205 USD
Retailer 18$1,863 USD
Retailer 6$1,867 USD
Retailer 12$1,931 USD
Retailer 7$2,180 USD
Retailer 5$2,202 USD
Retailer 9$2,789 USD
Retailer 14$3,284 USD
Retailer 2$4,410 USD
Do Amore Diamonds$5,380 USD

36 data points across 18 retailers

18 retailers$606 USD to $5,380 USD

A
Cheapest Retailer
-
$606 USD
A
Retailer 2
-
$678 USD
View
A
Retailer 3
-
$796 USD
View
A
Retailer 4
-
$801 USD
View
Final sale: no returns
A
Retailer 5
-
$870 USD
View
A
Retailer 6
-
$880 USD
View
A
Retailer 7
-
$978 USD
View
A
Retailer 8
-
$992 USD
View
A
Retailer 9
-
$1,205 USD
€1,148 EUR
View
B+
Retailer 10
-
$1,863 USD
View
B+
Retailer 11
-
$1,867 USD
View
B+
Retailer 12
-
$1,931 USD
A$2,970 AUD
View
B+
Retailer 13
-
$2,180 USD
View
B+
Retailer 14
-
$2,202 USD
View
Retailer 15
-
$2,789 USD
A$4,290 AUD
View
Price last confirmed 24 days ago
B
Retailer 16
-
$3,284 USD
£2,586 GBP
View
B
Retailer 17
-
$4,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-A345C685B · Oct 31
$5,380 USD
View
17 more retailers have this diamond
Prices start from $606 USDSave up to $4,774 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
$606 USD