Princess|Lab Grown|IGI

5.51ct E VS1 Princess Lab Grown Diamond

EX • E/VS1 • IGI LG817669622

Shape and cutting style on the report: Princess cut

Certificate IGI LG817669622

Diamond specifications and retailer prices

From $1,062 USD
HK$8,300 HKD
As of October 30, 2026
Save $4,208 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,270 USD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG817669622 or 817669622. Listed at 11 retailers as of October 25, 2026, with prices from $1,062 to $5,270, a $4,208 spread on the same certified stone. Rare Carat lists it at $5,270. 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 angle43.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817669622
Dimensions9.61 × 9.46 × 6.95 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm9.46 mm5.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817669622
Side View
Table 72.0%Crown 43.3°Girdle: ThickPavilion 38.7°Culet: NoneDepth 73.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,270 USD|Low: $1,062 USD|High: $5,365 USD|Avg: $2,683 USD|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$1,062 USD
Retailer 8$1,308 USD
Retailer 2$1,376 USD
Retailer 4$1,429 USD
Retailer 9$1,451 USD
Retailer 10$2,539 USD
Retailer 11$3,100 USD
Retailer 7$3,276 USD
Retailer 5$3,382 USD
Retailer 3$3,868 USD
Rare Carat$5,270 USD

44 data points across 11 retailers

11 retailers$1,062 USD to $5,270 USD

A
Cheapest Retailer
-
$1,062 USD
HK$8,300 HKD
A
Retailer 2
-
$1,308 USD
View
A
Retailer 3
-
$1,376 USD
£1,083 GBP
View
A
Retailer 4
-
$1,429 USD
€1,361 EUR
View
B+
Retailer 5
-
$1,451 USD
View
B+
Retailer 6
-
$2,539 USD
View
B+
Retailer 7
-
$3,100 USD
View
B+
Retailer 8
-
$3,276 USD
View
B+
Retailer 9
-
$3,382 USD
£2,663 GBP
View
Retailer 10
-
$3,868 USD
A$5,951 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Rare Carat
KI6226696KF817 · Oct 25
$5,270 USD
View
10 more retailers have this diamond
Prices start from $1,062 USDSave up to $4,208 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
$1,062 USD