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Princess|Lab Grown|IGI

1.72ct F SI1 Princess Lab Grown Diamond

GD • F/SI1 • IGI LG634474191

Shape and cutting style on the report: Princess cut

Certificate IGI LG634474191

Diamond specifications and retailer prices

From $237 USD
As of October 30, 2026
Save $1,076 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,313 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.72ct lab-grown princess diamond

This 1.72ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG634474191 or 634474191. Listed at 15 retailers as of October 30, 2026, with prices from $237 to $1,313, a $1,076 spread on the same certified stone. Reve Diamonds lists it at $1,313. 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

1.72
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634474191
Dimensions6.70 × 6.56 × 4.51 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.70 mm6.56 mm1.72 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634474191
Side View
Table 69.0%Crown 40.2°Girdle: MediumPavilion 37.5°Culet: NoneDepth 68.8%

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: $864 USD|Low: $228 USD|High: $1,194 USD|Avg: $573 USD|-8.7%
Retailer 1
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 31, 2026
Retailer 12$237 USD
Retailer 5$265 USD
Retailer 3$275 USD
Retailer 2$294 USD
Retailer 13$294 USD
Retailer 14$497 USD
Retailer 8$552 USD
Retailer 6$588 USD
Retailer 4$629 USD
Retailer 1$864 USD
Retailer 7$917 USD
Retailer 11$950 USD
Retailer 10$1,045 USD
Retailer 9$1,181 USD

41 data points across 14 retailers

15 retailers$237 USD to $1,313 USD

A
Cheapest Retailer
-
$237 USD
B+
Retailer 2
-
$265 USD
View
Final sale: no returns
B+
Retailer 3
-
$275 USD
View
B+
Retailer 4
-
$294 USD
View
B+
Retailer 5
-
$294 USD
View
B
Retailer 6
-
$497 USD
View
B+
Retailer 7
-
$552 USD
£435 GBP
View
B+
Retailer 8
-
$588 USD
View
B+
Retailer 9
-
$629 USD
View
B
Retailer 10
-
$864 USD
View
B
Retailer 11
-
$917 USD
View
B
Retailer 12
-
$950 USD
View
Retailer 13
-
$1,045 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$1,181 USD
£930 GBP
View
Most Expensive
B
Reve Diamonds
E04A0BC48 · Oct 30
$1,313 USD
View
14 more retailers have this diamond
Prices start from $237 USDSave up to $1,076 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
1.72ct Princess
$237 USD