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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 $390 AUD
$274 USD
As of November 1, 2026
Save $1,519 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,909 AUD 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 $390 to $1,909, a $1,519 spread on the same certified stone. Reve Diamonds lists it at $1,909. 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
Colour
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

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: Nov 1
Current: $697 AUD|Low: $390 AUD|High: $1,909 AUD|Avg: $1,055 AUD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 2, 2026
Retailer 6$390 AUD
Retailer 1$697 AUD
Retailer 7$730 AUD
Retailer 8$774 AUD
Retailer 2$798 AUD
Retailer 3$823 AUD
Retailer 5$1,402 AUD
Retailer 9$1,470 AUD
Retailer 4$1,741 AUD
Reve Diamonds$1,909 AUD

39 data points across 10 retailers

10 retailers$390 AUD to $1,909 AUD

A
Cheapest Retailer
-
$390 AUD
$274 USD
Final sale: no returns
A
Retailer 2
-
$697 AUD
€466 EUR
View
B+
Retailer 3
-
$730 AUD
$513 USD
View
B+
Retailer 4
-
$774 AUD
$544 USD
View
A
Retailer 5
-
$798 AUD
£441 GBP
View
B+
Retailer 6
-
$823 AUD
£455 GBP
View
B
Retailer 7
-
$1,402 AUD
$985 USD
View
B
Retailer 8
-
$1,470 AUD
$1,033 USD
View
B
Retailer 9
-
$1,741 AUD
£963 GBP
View
Most Expensive
B
Reve Diamonds
E2924E166 · Nov 1
$1,909 AUD
$1,341 USD
View
9 more retailers have this diamond
Prices start from $390 AUDSave up to $1,519 AUD

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
$390 AUD