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Round|Lab Grown|IGI

1.72ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG595365160

Shape and cutting style on the report: Round brilliant

Certificate IGI LG595365160

Diamond specifications and retailer prices

From $178 USD
As of October 29, 2026
Save $1,142 USD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,320 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG595365160 or 595365160. Listed at 8 retailers as of October 29, 2026, with prices from $178 to $1,320, a $1,142 spread on the same certified stone. Brilliant Earth lists it at $1,320. 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
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595365160
Dimensions7.72 × 7.77 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.72 mm7.77 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595365160
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

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 29
Current: $1,320 USD|Low: $178 USD|High: $1,360 USD|Avg: $662 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 5$178 USD
Retailer 3$207 USD
Retailer 8$212 USD
Retailer 7$393 USD
Retailer 10$494 USD
Retailer 9$604 USD
Retailer 4$751 USD
Retailer 6$785 USD
Retailer 2$1,143 USD
Brilliant Earth$1,320 USD

17 data points across 10 retailers

8 retailers$178 USD to $1,320 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$207 USD
View
A
Retailer 3
-
$212 USD
View
Final sale: no returns
B+
Retailer 4
-
$393 USD
View
B
Retailer 5
-
$751 USD
View
B+
Retailer 6
-
$785 USD
View
B
Retailer 7
-
$1,143 USD
£900 GBP
View
Most Expensive
B
Brilliant Earth
7923075Y · Oct 29
$1,320 USD
View
7 more retailers have this diamond
Prices start from $178 USDSave up to $1,142 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
$178 USD