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Princess|Lab Grown|IGI

5.51ct E VS1 Princess Lab Grown Diamond

EX • E/VS1 • IGI LG726541388

Shape and cutting style on the report: Princess cut

Certificate IGI LG726541388

Diamond specifications and retailer prices

From $760 USD
As of October 30, 2026
Save $2,548 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,620 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.51ct lab-grown princess diamond

This 5.51ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726541388 or 726541388. Listed at 19 retailers as of October 26, 2026, with a 335% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726541388
Dimensions9.61 × 9.47 × 6.92 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm9.47 mm5.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726541388
Side View
Table 67.0%Crown 39.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 73.1%

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: $12,620 USD|Low: $729 USD|High: $12,620 USD|Avg: $2,276 USD
Brilliant Earth
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 17$760 USD
Retailer 8$850 USD
Retailer 3$881 USD
Retailer 15$1,060 USD
Retailer 16$1,262 USD
Retailer 2$1,350 USD
Retailer 6$1,353 USD
Retailer 10$1,550 USD
Retailer 13$1,785 USD
Retailer 11$1,791 USD
Retailer 14$2,096 USD
Retailer 5$2,478 USD
Retailer 9$2,743 USD
Retailer 7$2,966 USD
Retailer 4$2,980 USD
Retailer 12$3,308 USD
Brilliant Earth$12,620 USD

44 data points across 17 retailers

19 retailers$760 USD to $3,308 USD

A
Cheapest Retailer
-
$760 USD
A
Retailer 2
-
$850 USD
View
Final sale: no returns
A
Retailer 3
-
$881 USD
View
A
Retailer 4
-
$1,060 USD
View
B+
Retailer 5
-
$1,262 USD
View
A
Retailer 6
-
$1,350 USD
£1,063 GBP
View
A
Retailer 7
-
$1,353 USD
View
A
Retailer 8
-
$1,550 USD
€1,476 EUR
View
Retailer 9
-
$1,785 USD
A$2,746 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,791 USD
ZAR 28,930 ZAR
View
A
Retailer 11
-
$2,096 USD
View
B+
Retailer 12
-
$2,478 USD
View
B+
Retailer 13
-
$2,534 USD
View
B+
Retailer 14
-
$2,743 USD
£2,160 GBP
View
B+
Retailer 15
-
$2,966 USD
SGD 4,008 SGD
View
B+
Retailer 16
-
$2,980 USD
View
B+
Retailer 17
-
$3,042 USD
View
B+
Retailer 18
-
$3,308 USD
£2,605 GBP
View
Most Expensive
Brilliant Earth
21214235A · Oct 29
$12,620 USD
View
Price under review
18 more retailers have this diamond
Prices start from $760 USDSave up to $2,548 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
5.51ct Princess
$760 USD