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Round|Lab Grown|IGI

1.69ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG649471818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649471818

Diamond specifications and retailer prices

From $201 USD
As of October 29, 2026
Save $1,729 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,930 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown round diamond

This 1.69ct 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 LG649471818 or 649471818. Listed at 11 retailers as of October 29, 2026, with prices from $201 to $1,930, a $1,729 spread on the same certified stone. Do Amore Diamonds lists it at $1,930. 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

1.69
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649471818
Dimensions7.74 × 7.68 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm7.68 mm1.69 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649471818
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.7%

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: $1,930 USD|Low: $195 USD|High: $1,970 USD|Avg: $732 USD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 10$201 USD
Retailer 3$228 USD
Retailer 8$233 USD
Retailer 7$433 USD
Retailer 4$507 USD
Retailer 9$765 USD
Retailer 5$804 USD
Retailer 6$885 USD
Retailer 11$960 USD
Retailer 2$1,109 USD
Do Amore Diamonds$1,930 USD

35 data points across 11 retailers

11 retailers$201 USD to $1,930 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
B+
Retailer 4
-
$433 USD
View
A
Retailer 5
-
$507 USD
£399 GBP
View
B+
Retailer 6
-
$765 USD
View
B+
Retailer 7
-
$804 USD
View
B+
Retailer 8
-
$885 USD
View
B
Retailer 9
-
$960 USD
View
B
Retailer 10
-
$1,109 USD
£873 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3DE2B17C8 · Oct 29
$1,930 USD
View
10 more retailers have this diamond
Prices start from $201 USDSave up to $1,729 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
1.69ct Round
$201 USD