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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 $257 SGD
$201 USD
As of October 29, 2026
Save $2,211 SGD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,468 SGD 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 $257 to $2,468, a $2,211 spread on the same certified stone. Do Amore Diamonds lists it at $2,468. 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
Colour
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: $2,468 SGD|Low: $249 SGD|High: $2,519 SGD|Avg: $936 SGD|-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$257 SGD
Retailer 3$292 SGD
Retailer 8$298 SGD
Retailer 7$554 SGD
Retailer 4$648 SGD
Retailer 9$978 SGD
Retailer 5$1,028 SGD
Retailer 6$1,132 SGD
Retailer 11$1,228 SGD
Retailer 2$1,418 SGD
Do Amore Diamonds$2,468 SGD

35 data points across 11 retailers

11 retailers$257 SGD to $2,468 SGD

A
Cheapest Retailer
-
$257 SGD
$201 USD
A
Retailer 2
-
$292 SGD
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$298 SGD
$233 USD
View
B+
Retailer 4
-
$554 SGD
$433 USD
View
A
Retailer 5
-
$648 SGD
£399 GBP
View
B+
Retailer 6
-
$978 SGD
$765 USD
View
B+
Retailer 7
-
$1,028 SGD
$804 USD
View
B+
Retailer 8
-
$1,132 SGD
$885 USD
View
B
Retailer 9
-
$1,228 SGD
$960 USD
View
B
Retailer 10
-
$1,418 SGD
£873 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3DE2B17C8 · Oct 29
$2,468 SGD
$1,930 USD
View
10 more retailers have this diamond
Prices start from $257 SGDSave up to $2,211 SGD

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
$257 SGD