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 $407 USD
As of November 1, 2026
Save $1,530 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,220 USD 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
Color
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: $3,220 USD|Low: $407 USD|High: $3,220 USD|Avg: $1,164 USD
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$407 USD
Retailer 7$460 USD
Retailer 10$600 USD
Retailer 2$812 USD
Retailer 12$820 USD
Retailer 4$888 USD
Retailer 5$910 USD
Retailer 9$1,317 USD
Retailer 11$1,426 USD
Retailer 3$1,746 USD
Retailer 6$1,937 USD
Do Amore Diamonds$3,220 USD

17 data points across 12 retailers

12 retailers$407 USD to $1,937 USD

A
Cheapest Retailer
-
$407 USD
B+
Retailer 2
-
$460 USD
View
B+
Retailer 3
-
$600 USD
View
B
Retailer 4
-
$812 USD
£639 GBP
View
B
Retailer 5
-
$820 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$888 USD
View
B+
Retailer 7
-
$910 USD
£717 GBP
View
B
Retailer 8
-
$1,317 USD
View
B
Retailer 9
-
$1,426 USD
View
B
Retailer 10
-
$1,746 USD
View
B
Retailer 11
-
$1,937 USD
£1,525 GBP
View
Most Expensive
Do Amore Diamonds
27-9DF4881C1 · Nov 2
$3,220 USD
View
Price under review
11 more retailers have this diamond
Prices start from $407 USDSave up to $1,530 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
1.62ct Round
$407 USD