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Round|Lab Grown|IGI

1.62ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG11902215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG11902215

Diamond specifications and retailer prices

From $581 AUD
$407 USD
As of November 1, 2026
Save $2,183 AUD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,595 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct 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 LG11902215 or 11902215. Listed at 12 retailers as of November 1, 2026, with a 376% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.62
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG11902215
Dimensions7.51 × 7.55 × 4.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.51 mm7.55 mm1.62 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG11902215
Side View
Table 58.5%Crown 35.5°Girdle: MED-UNDPavilion 41.5°Culet: NoneDepth 62.2%

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: $4,595 AUD|Low: $581 AUD|High: $4,595 AUD|Avg: $1,661 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 8$581 AUD
Retailer 7$656 AUD
Retailer 10$856 AUD
Retailer 2$1,158 AUD
Retailer 12$1,170 AUD
Retailer 4$1,267 AUD
Retailer 5$1,299 AUD
Retailer 9$1,879 AUD
Retailer 11$2,035 AUD
Retailer 3$2,491 AUD
Retailer 6$2,764 AUD
Do Amore Diamonds$4,595 AUD

17 data points across 12 retailers

12 retailers$581 AUD to $2,764 AUD

A
Cheapest Retailer
-
$581 AUD
$407 USD
B+
Retailer 2
-
$656 AUD
$460 USD
View
B+
Retailer 3
-
$856 AUD
$600 USD
View
B
Retailer 4
-
$1,158 AUD
£639 GBP
View
Retailer 5
-
$1,170 AUD
$820 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,267 AUD
$888 USD
View
B+
Retailer 7
-
$1,299 AUD
£717 GBP
View
B
Retailer 8
-
$1,879 AUD
$1,317 USD
View
B
Retailer 9
-
$2,035 AUD
$1,426 USD
View
B
Retailer 10
-
$2,491 AUD
$1,746 USD
View
B
Retailer 11
-
$2,764 AUD
£1,525 GBP
View
Most Expensive
Do Amore Diamonds
27-9DF4881C1 · Nov 2
$4,595 AUD
$3,220 USD
View
Price under review
11 more retailers have this diamond
Prices start from $581 AUDSave up to $2,183 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
1.62ct Round
$581 AUD