Round|Lab Grown|IGI

1.72ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG787619767

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787619767

Diamond specifications and retailer prices

From $274 USD
As of November 1, 2026
Save $1,067 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,341 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787619767 or 787619767. Listed at 10 retailers as of November 1, 2026, with prices from $274 to $1,341, a $1,067 spread on the same certified stone. Reve Diamonds lists it at $1,341. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787619767
Dimensions7.65 × 7.64 × 4.82 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm7.64 mm1.72 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787619767
Side View
Table 53.0%Crown 34.7°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 63.0%

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: Nov 1
Current: $1,223 USD|Low: $274 USD|High: $1,341 USD|Avg: $741 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 1, 2026
Retailer 6$274 USD
Retailer 4$487 USD
Retailer 7$513 USD
Retailer 8$544 USD
Retailer 2$561 USD
Retailer 3$578 USD
Retailer 5$985 USD
Retailer 9$1,033 USD
Retailer 1$1,223 USD
Reve Diamonds$1,341 USD

38 data points across 10 retailers

10 retailers$274 USD to $1,341 USD

A
Cheapest Retailer
-
$274 USD
Final sale: no returns
A
Retailer 2
-
$487 USD
€464 EUR
View
B+
Retailer 3
-
$513 USD
View
B+
Retailer 4
-
$544 USD
View
A
Retailer 5
-
$561 USD
£441 GBP
View
B+
Retailer 6
-
$578 USD
£455 GBP
View
B
Retailer 7
-
$985 USD
View
B
Retailer 8
-
$1,033 USD
View
B
Retailer 9
-
$1,223 USD
£963 GBP
View
Most Expensive
B
Reve Diamonds
E2924E166 · Nov 1
$1,341 USD
View
9 more retailers have this diamond
Prices start from $274 USDSave up to $1,067 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 Round
$274 USD