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Round|Lab Grown|IGI

3.10ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG627405088

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627405088

Diamond specifications and retailer prices

From $1,767 AUD
As of November 5, 2026
Save $571 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,338 AUD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627405088 or 627405088. Listed at 2 retailers as of November 5, 2026, with prices from $1,767 to $2,338, a $571 spread on the same certified stone. The Diamond Guys lists it at $2,338. 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

3.10
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627405088
Dimensions9.36 × 9.28 × 5.75 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
9.36 mm9.28 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627405088
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $916 AUD|Low: $349 AUD|High: $4,243 AUD|Avg: $1,887 AUD|-24.6%
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
The Diamond Guys
August 19, 2026
Retailer 10$360 AUD
Retailer 8$771 AUD
Retailer 1$916 AUD
Retailer 5$947 AUD
Retailer 13$1,184 AUD
Retailer 9$1,369 AUD
Retailer 6$1,371 AUD
Retailer 11$1,487 AUD
Retailer 7$1,523 AUD
Retailer 12$1,767 AUD
The Diamond Guys$2,338 AUD
Retailer 3$2,750 AUD
Retailer 2$3,728 AUD
Retailer 4$4,100 AUD

68 data points across 14 retailers

2 retailers$1,767 AUD to $2,338 AUD

B+
Cheapest Retailer
-
$1,767 AUD
Most Expensive
B
The Diamond Guys
1954434397 · Nov 6
$2,338 AUD
$1,637 USD
View
1 more retailer has this diamond
Prices start from $1,767 AUDSave up to $571 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.

B+
3.10ct Round
$1,767 AUD