Princess|Lab Grown|IGI

1.71ct I VS2 Princess Lab Grown Diamond

ID • I/VS2 • IGI LG451055503

Shape and cutting style on the report: Princess cut

Certificate IGI LG451055503

Diamond specifications and retailer prices

From $950 USD
As of October 31, 2026
Save $2,646 USD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,978 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451055503 or 451055503. Listed at 12 retailers as of October 31, 2026, with a 279% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055503
Dimensions6.53 × 6.36 × 4.49 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.53 mm6.36 mm1.71 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055503
Side View
Table 73.0%Crown 49.9°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 70.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,978 USD|Low: $950 USD|High: $5,552 USD|Avg: $2,862 USD
Flawless Fine Jewelry
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
October 30, 2026
Retailer 2$950 USD
Retailer 9$1,654 USD
Retailer 13$1,799 USD
Retailer 14$1,852 USD
Retailer 10$1,919 USD
Retailer 3$2,090 USD
Retailer 6$2,114 USD
Retailer 4$2,575 USD
Retailer 11$3,015 USD
Retailer 8$3,308 USD
Retailer 12$3,596 USD
Flawless Fine Jewelry$3,978 USD
Retailer 5$5,493 USD
Retailer 7$5,509 USD

20 data points across 14 retailers

12 retailers$950 USD to $3,596 USD

B+
Cheapest Retailer
-
$950 USD
B
Retailer 2
-
$1,654 USD
View
B
Retailer 3
-
$1,799 USD
View
B
Retailer 4
-
$1,852 USD
View
Final sale: no returns
Retailer 5
-
$1,919 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,919 USD
View
B
Retailer 7
-
$2,090 USD
View
B
Retailer 8
-
$3,015 USD
View
B
Retailer 9
-
$3,308 USD
View
B
Retailer 10
-
$3,596 USD
View
Most Expensive
Flawless Fine Jewelry
689289C79 · Oct 31
$3,978 USD
£3,132 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $950 USDSave up to $2,646 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.

B+
1.71ct Princess
$950 USD